The Note's Must-Reads are a round-up of today's political headlines and stories from ABC News and the top U.S. newspapers. Posted Monday through Friday right here at www.abcnews.com

Compiled by ABC News' Jayce Henderson, Amanda VanAllen, Carrie Halperin, and Ashton Marra

PRESIDENT OBAMA: The Boston Globe's Amy Gardner: " With college-loan pledge, Obama courts youth vote" President Obama reached out to crucial young voters in Colorado and North Carolina Tuesday with a promise to keep college affordable, in the first two of three campus appearances in battleground states this week spotlighting this key voting group. Speaking to capacity crowds at the University of North Carolina's flagship campus and later in the day at the University of Colorado, Obama made his case that congressional leaders must take action before July to prevent interest rates on federal student loans from doubling. LINK

MITT ROMNEY: The New York Times' Ashley Parker and Jeff Zeleny: " After 5 More Contests, Romney Solidifies Lead" Mitt Romney effectively assumed the helm of the Republican Party on Tuesday after five primary victories across the Northeast solidified his stature as the presidential nominee-in-waiting who is trying to unite conservatives and persuade independent voters that President Obama does not deserve a second term. LINK

The Washington Post's Nia-Malika Henderson and Aaron Blake: " Mitt Romney adviser Richard Grenell faces backlash over tweets, sexual orientation" In one of the first moves depicting a shift to a general election footing, Mitt Romney's campaign announced last week the hiring of Richard A. Grenell as a national security and foreign policy adviser. This week, the campaign and Grenell were dealing with backlash from the left and right. LINK

The Washington Times' Seth McLaughlin: " Sweep has Romney looking to November" Signaling that he now considers the Republican presidential primary season over, a triumphant Mitt Romney returned Tuesday to New Hampshire - the site where he kicked off his campaign 10 months ago - to urge his supporters and those who backed his GOP rivals to rally behind his effort to defeat President Obama this fall. LINK

USA Today's Susan Page: " Romney sweeps five Northeast primaries" Republican presidential candidate Mitt Romney swept five Northeastern primaries Tuesday as he pivoted from a hard-fought GOP nomination battle and moved to challenge President Obama in November. He declared the nomination battle over at a celebration in New Hampshire, the site of his first primary victory in January and a battleground state in the general election. LINK

The Wall Street Journal's Janet Hook and Sara Murray: " Romney Marches Toward GOP Nomination" Mitt Romney claimed victory in the Republican presidential nominating contest Tuesday after decisively sweeping five East Coast primaries, saying his triumph marked "the beginning of the end of the disappointments of the Obama years." Mr. Romney gave what amounted to an acceptance speech for the nomination after sweeping to primary victories in New York, Pennsylvania, Connecticut, Delaware and Rhode Island. LINK

The Hill's Jonathan Easley: " 'A better America begins': Romney launches race against Obama" Mitt Romney launched his general election campaign Tuesday in New Hampshire, telling supporters in a primary night victory speech that "a better America begins tonight." "After 43 primaries and caucuses, many long days and more than a few long nights, I can say with confidence and gratitude that you have given me a great honor and solemn responsibility," Romney said. "And, together, we are going to win on November 6." LINK

Politico's Alexander Burns: " Primary results 2012: Mitt Romney 's 5-state sweep"  Mitt Romney swept all five Republican primary elections Tuesday night, putting an end once and for all to any hopes for a comeback by his beleaguered GOP primary opponents. The last state to be called was New York, where voting ended at 9 p.m.; Romney was previously projected the winner in Connecticut, Rhode Island, Delaware and Pennsylvania. LINK

NEWT GINGRICH: ABC News' Elicia Dover: " Newt Gingrich Loses Big Tuesday, Says He'll 'Look Realistically' at Future" Although Newt Gingrich lost the Delaware primary by an overwhelming 29 percent to Mitt Romney, the former speaker of the House still did not announce the suspension of his presidential campaign Tuesday night. Gingrich, who simultaneously lost to Romney in New York, Connecticut, Rhode Island, and Pennsylvania on Tuesday, said earlier in the week that if he lost the winner-take-all state of Delaware - where he focused his campaigning - he would "reassess" his presidential bid. LINK

The Los Angeles Times' Maeve Reston: " Gingrich to reassess campaign as Romney claims GOP nod" Sweeping five contests in northeastern primary states, Mitt Romneyclaimed the mantle of Republican presidential nominee - though he has not officially clinched the race - and turned his focus to a general election showdown with President Obama. LINK

The New York Daily News' Aliyah Shadid: " Newt Gingrich hints he could quit presidential race" Tuesday could be Newt Gingrich's finale.  The Republican presidential candidate and former House Speaker hinted he could call it quits if he doesn't do well in Delaware, a state where he's spent much of his time campaigning. LINK

OTHER: Bloomberg's Lisa Lerer and Julianna Goldman: " Working-Class Concerns Don't Cause Romney or Obama Pain" Amanda Thomas wanted to share with Mitt Romney her long list of worries: a health-care law that will hurt her husband's business, the debt that will burden her 2-year-old daughter's generation and the financial anxieties of her parents in their golden years. LINK

ABC NEWS VIDEOS: " Romney Vows Nov. Victory" LINK

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