Some say the race to the Republican presidential nomination is over and done with, but others channel Yogi Berra and say it's not over 'til it's over. CNN.com Live is your home for all the latest developments from the campaign trail.
Today's programming highlights...
8:00 am ET - Maryland Mega Millions announcement - The holder of the winning Maryland ticket in last month's $656 million Mega Millions lottery drawing has come forward to claim his or her share of the prize, but has chosen to remain anonymous. Maryland lottery officials will discuss the happy news this morning.
9:00 am ET - George W. Bush Institute economic conference - Former president George W. Bush's namesake institute holds a conference in New York on tax policy and economic growth. Bush will deliver remarks, followed by New Jersey Gov. Chris Christie.
2:55 pm ET - Obama talks economy in Florida - President Obama spends his day in Florida, where he'll defend the "Buffett Rule" in remarks on the campus of Florida Atlantic University.
5:55 pm ET - Romney in Delaware - GOP frontrunner Mitt Romney begins his day in Delaware, where he'll speak to workers at a structural steel firm in Wilmington. He'll then travel to Pennsylvania and make remarks at 7:30 pm ET.
7:15 pm ET - Santorum on the road - GOP candidate Rick Santorum returns to the campaign trail after taking time off due to his daughter's health woes. He appears at a faith and values event in Lancaster, Pennsylvania.
CNN.com Live is your home for breaking news as it happens.