msnbc.com is following all the latest updates on the Boston terror investigation. The New York Times' Michiko Kakutani looks at the digital footprint left by Tamerlan and Dzhokhar Tsarnaev.
In the opinion pages: Tennessee Senator Bob Corker reminds New York Times readers about the ongoing civil war in Syria and the current level of U.S. involvement.
Politico's Manu Raju and Steve Sloan look into Montana Senator Max Baucus' relationships with both sides of the Senate aisle, and the surprise surrounding his retirement announcement.