WSDL-FM: Steve Inskeep

The fledgling U.N. monitoring mission in Syria is under sharp criticism from activists who say the team is failing to enforce the terms of the agreement drafted by special envoy Kofi Annan. Violence is down in some areas but flaring up in others.

The Republicans could use the vice presidential slot to appeal to Hispanics. Meanwhile, President Obama used his weekly address to focus on the high cost of student loans.

At Kennedy Space Center in Florida, workers sent the retired space shuttle Discovery into the sky for a final time. On top of a jumbo jet, it was flown to Washington, D.C., bound four a museum run by the Smithsonian's National Air and Space Museum.

Now that Rick Santorum is out of the Republican race for president, Mitt Romney has the opportunity to go after President Obama without worrying about rivals in his own party.

In the French city of Toulouse, police have a suspect in Monday's killing of three Jewish schoolchildren and a rabbi.

The NFL has revealed that the New Orleans Saints maintained a bounty pool to award players for delivering game-ending injuries to the opposition. Franchises and fans are waiting to see what the penalty will be, and what kind of message it sends the league.

Twitter is supposed to have turned the world into a global village. But new research shows that our Twitter ties are considerably more parochial than most of us imagine. People no longer define their communities by where they live but by common interests.

In Yemen Tuesday, voters are casting ballots in a one-candidate presidential election. They hope it may bring an end to a nearly year-long political crisis that's sparked much violence among various heavily-armed factions as well as pro-democracy protesters.

The Obama administration officially lays out its economic blueprint for the next fiscal year on Monday. He'll announce the 2013 budget at Northern Virginia Community College, where he'll push for more investment in community colleges and job training.

Fighting in Syria has intensified within a few miles of the capital city. Damascus has remained under firm government control but in the suburbs, the army has sent in tanks to retake areas that had been under the effective control of rebels. Activists inside Syria say more than 60 people have died in the past day.