ABC News' "14 For 14" project is documenting 14 races that matter between now and November. This page will be updated throughout the year. See the full list of 2014 midterm election contests the ABC News political team is tracking.
As longtime Sen. Mary Landrieu makes her bid for a fourth term in the Senate, the seat is considered a must-win for Democrats as they fight to maintain their slim majority in the Senate. Facing off against Landrieu is a crowded field of Republican challengers. One-term Rep. Bill Cassidy is considered the GOP frontrunner and has the backing of the establishment. Challenging Cassidy is state Rep. Paul Hollis, as well as retired Air Force Colonel Rob Maness, who has no previous political experience but has captured the endorsements of Tea Party and other conservative groups.
Landrieu faces a tough race in an increasingly conservative Louisiana as she campaigns for a fourth term. Landrieu, who has never won an election with more than 53 percent of the vote, is expected to face an especially challenging re-election bid this cycle following the botched rollout of the president's health care law. In addition to her base support among progressive African-Americans, the senator must appeal to the state's white moderate population -- many of whom despise the health care law that Landrieu voted for, though she is now calling to reform. Republican political donors, including the deep-pocketed Koch brothers, are said to be pouring money into the state with ads attacking Obamacare. Landrieu's attempt to distance herself from the president and the health care law is further complicated by the fact that her brother Mitch, the mayor of New Orleans, is also facing re-election this year. Mayor Landrieu is touting his connections to the president, as he faces off against an African-American GOP opponent. Among the field of GOP candidates, Rep. Bill Cassidy, who enjoys strong popularity in his district, is considered the strongest contender; however, the unexpected entrance of Tea Party candidate Rob Maness means Cassidy can't take his expected lead for granted.