A.M. Headlines

(Washington Post): "Boston bombing suspect cites U.S. wars as motivation, officials say"

(Bloomberg): "Boston bombings intensify calls to boost border security"

(USA  Today):  "N.Y. judge sentences terrorism defendant to life"

(Washington Post): "Charges dropped against Miss. man in ricin case as FBI searches second home"

(Voice of America): "Obama renews call for Assad Departure"