Two U.S. officials say preliminary evidence from an interrogation suggests the suspects in the Boston Marathon attack were motivated by their religious views but were apparently not tied to any Islamic terrorist groups.
Defense lawyers for a man accused of mailing poisoned letters to President Barack Obama, a U.S. senator and a local judge say investigators' failure to find any ricin means the government should release their client.
Up and down the East Coast, airports are reporting flight delays. This is the first weekday on which thousands of air traffic controllers are being forced to take an unpaid day off because of federal budget cuts.
A court hearing on a disorderly conduct charge has been rescheduled for actress Reese Witherspoon, who said she's "deeply embarrassed" by what she said to a state trooper during a traffic stop in Atlanta.