A police officer arrests protesters dressed as clowns during a peace rally at NATO headquarters in Brussels April 1, 2012. More than 400 people were arrested as they attempted to enter the compound at the action entitled “NATO Game Over”, Belgian news agencies reported.
- The Republican candidates for president will debate Saturday at 9 p.m. ET on CBS for the first time after Donald Trump's runaway win in the New Hampshire primaries.
- MLB issued its first-ever lifetime ban for performance enhancing drugs to New York Mets' Jenrry Mejia.
- And how well do you know what happened in the news this week? Take our quiz.