In the Pennsylvania Republican Senate primary, fewer than 2,000 votes separate Dr. Mehmet Oz, who is Trump-endorsed and has a slight lead, and former hedge fund executive David McCormick.

ABC News political director Rick Klein breaks down the biggest wins, upsets and surprises of Wednesday’s midterm primaries.

Former U.S. Rep. Raul Labrador has won Idaho’s GOP attorney general primary, beating the longtime incumbent who was criticized by the far right for not taking a more activist role

It was a mixed night for MAGA candidates and progressive Democrats. ABC News’s Averi Harper breaks down the primary night wins and losses in five states.

While the ​Pennsylvania Republican primary race still remains too close to call, Lt. Governor John Fetterman secures the Democratic primary victory.

Today is primary day in five states. ABC News’ political director Rick Klein breaks down his picks for the top races to watch.

Lt. Gov. John Fetterman comes out on top in Pennsylvania's Democratic Senate primary days after suffering a stroke.

ABC News senior Washington reporter Devin Dwyer and ABC News correspondent Alex Presha discuss a tight Pennsylvania GOP Senate race between Dr. Mehmet Oz and former hedge fund CEO Dave McCormick.

ABC News political director Rick Klein talks the power of former President Trump's endorsements in key primary elections.

Rachel Scott reports on the results from Tuesday’s primaries in Idaho, Kentucky, North Carolina, Pennsylvania and Oregon.

Wisconsin Democratic U.S. Senate candidate Mandela Barnes highlights his middle class upbringing in his first television ad in the hotly contested race

Allegations of violence against Walker’s ex-wife have resurfaced amid the race. Walker does not deny threatening her, but claims he doesn’t remember because he had Dissociative Identity Disorder.

Pennsylvania Lt. Gov. John Fetterman, a Democratic candidate in Tuesday's Senate primary, completed a procedure to get a pacemaker and defibrillator after a stroke

The Kentucky senator is not considered to be an endangered incumbent.

The embattled freshman had recent missteps that some believed hindered his chances of winning the North Carolina primary.

The Pennsylvania Republican Senate primary race is one of the most competitive races to watch.

There are three major takeaways from the primaries in Kentucky, North Carolina, Pennsylvania, Oregon and Idaho.

Chairman of the North Carolina Republican Party, Michael Whatley joins ABC News Live to discuss the value of a Trump endorsement, as well as his thoughts on SCOTUS potentially overturning Roe v. Wade.

Massie discusses whether or not he believes Republicans can take back the House in November.

Walker is a Trump-backed Republican favorite in one of the most closely-watched races this year. The two met in the early 80s after Walker was drafted to a team once co-owned by Donald Trump.

Communications Director for the Democratic Senatorial Campaign Committee, David Bergstein joins ABC News Live to discuss the latest on the North Carolina primary, as well as possible 2024 projections.

ABC News’ Rachel Scott delves into the leading Republican candidates competing in the hotly-contested Senate primary in Pennsylvania, a race that could determine the balance of the U.S. Senate.

Doug Mastriano has won the Republican nomination for governor of Pennsylvania

ABC News’ Linsey Davis spoke with the wife of Pennsylvania Lt. Gov. John Fetterman, Gisele Barreto Fetterman, about his health scare and his win in the Democratic Senate primary.

It’s primary day in Pennsylvania, and just like in 2020, the Keystone State could be the key to Washington. ABC News’ Devin Dwyer and Alex Presha break down the state’s biggest races.

The primary elections in Pennsylvania, North Carolina, Idaho, Kentucky and Oregon will showcase some of the many issues that will set the stage for the 2022 midterm elections.

Dr. Mehmet Oz has former President Donald Trump's endorsement, but Kathy Barnette has gained momentum despite a controversy over her marching in Washington, D.C., before the Capitol insurrection.

With much of the focus this midterm cycle on statewide races and Republican momentum, several Democratic House primaries could indicate the direction of that party.

Five states hold their midterm primary elections Tuesday. ABC News Political Director Rick Klein previews what to expect.

Kentucky’s Republican secretary of state, Michael Adams, discusses his states confidence in the elections and the safeguards in place if a candidate calls the results into question.

Pennsylvania Lt. Gov. John Fetterman, the front-runner in the Senate Democratic primary race, suffered a stroke just days before Election Day and expects to make a full recovery.

FiveThirtyEight’s senior elections analyst Nathaniel Rakich discusses the shape of the elections so far and what he is watching for in the five state races.

Rachel Scott reports how the elections in Pennsylvania, North Carolina, Idaho, Kentucky and Oregon could foreshadow contentious midterm elections.

Oregon has conducted only mail-in voting for more than 20 years without issue. Oregon Secretary of State Shemia Fagan breaks down why their system works.

Former President Donald Trump has been endorsing candidates at a rapid clip – but President Joe Biden has been much more selective with his picks.

These candidates all support former President Donald Trump’s “big lie.”

Pennsylvania and Idaho are two of five states with primaries on Tuesday. Philadelphia Inquirer reporter Julia Terruso and Ryan Suppe of the Idaho Statesman break down the key races in their states.

Acting Secretary of the Commonwealth Leigh Chapman explains how her state is ready for primary day – and why concerns over mail-in ballots are overblown.

The decision comes as campaigning for the '22 midterm elections is intensifying.

The Supreme Court struck down a 20-year-old campaign finance limit aimed at curbing corruption in politics, delivering a win to Republican Sen. Ted Cruz.

Former President Donald Trump’s winning streak in U.S. Senate primaries is on the line Tuesday as voters in five states cast their ballots in midterm elections

"I had a stroke that was caused by a clot from my heart being in an A-fib rhythm for too long," Fetterman said in a statement released Sunday afternoon.

They say the state attorney general is too progressive, even for California.

Republicans met to endorse a candidate to challenge Democratic Gov. Tim Walz.

The Congressman has endured a series of unforced political and personal errors.

A slew of Democrats and Republicans are trying to unseat incumbent Rep. Madison Cawthorn, R-N.C., Democrat Jasmine Beach-Ferrara and GOP challenger Wendy Nevarez explain why they’re in the race.

The Senate on Thursday confirmed Jerome Powell for a second four-year term as Federal Reserve chair, giving bipartisan backing to Powell’s high-stakes efforts to curb the highest inflation in four decades

A Georgia man is challenging the eligibility of more than 13,000 registered voters in his county in the northern part of the state

Former President Donald Trump has thrown his support behind GOP primary candidates across the country. But results were split in two closely watched races in Nebraska and West Virginia on Tuesday.

ABC News contributors Amanda Renteria and Sarah Isgur weigh in on the latest primary elections and former President Trump’s influence over the GOP.