John Nichols, Washington Correspondent for the Nation, joins the 1st hour of today’s show to discuss Tuesday’s primaries.

Cliff Guffey, President of the American Postal Workers Union, joins the 2nd hour of today’s show to discuss today’s vote in the Senate on Postal Reform.

Rep. Joe Courtney, D-CT, joins the 3rd hour of today’s show to discuss President Obama’s push to keep Student Loan interest down.

Ruth Conniff, Political Editor of the Progressive Magazine, joins the 3rd hour of today’s show to talk about Ann Romney’s continued use of her stay at home motherhood to win over women voters.

It’s the biggest day of Republican primary voting since Super Tuesday. But as five states hold contests today, the only drama left appears to be the size of the margins of victory for all-but-certain GOP presidential nominee Mitt Romney. We’ll bring you the latest.

Lawmakers will fight to save post offices and other U.S. Postal Service facilities from closure as the Senate gears up to vote on amendments to a bill to overhaul the struggling mail agency. We’ll talk about it.

New signs of lower U.S. gas prices could give a boost to President Barack Obama’s re-election hopes and blunt a potent weapon that Republicans have used to attack him. We’ll give you the details.