Posted: 04/17/2013 - Senate rejects bipartisan plan expanding background checks, major blow to gun control effort .
Updated: 04/17/2013 - Associated Press is reporting that federal government officials are denying that a suspect in the Boston Marathon bombing is in custody.
Updated: 04/17/2013 - The U.S. Secret Service says it has intercepted a letter addressed to President Barack Obama that contained a "suspicious substance."
Posted: 04/17/2013 - Law enforcement officials say a second letter sent to the U.S. Senate has been intercepted and is being tested for poisonous ricin.
Posted: 04/16/2013 - Family does not want victim's name released.
Posted: 04/16/2013 - American Airlines flights across the country are grounded because of computer problems.
Posted: 04/16/2013 - Obama: FBI investigating explosions as `an act of terrorism', orders flags at half-staff
Updated: 04/16/2013 - President Obama to deliver a statement on the Boston Marathon explosions at 11:30 a.m. EDT.
Updated: 04/16/2013 - Need to cover a breaking story makes it tough to decide when video is too gory.