The Washington Navy Yard shooting could possibly have been prevented if tougher background checks were in place, President Barack Obama said on Tuesday, raising new concern about the frequency of mass shootings.

(CNN) -- Former White House Chief of Staff Bill Daley is dropping out of the race for Illinois governor, Daley told the Chicago Tribune on Monday.

WASHINGTON (CNN) -- It's been five years since the banking and credit crisis rocked the U.S. economy, causing markets to plunge, unemployment to spike, housing values to crumble and placing more Americans in financial peril than at any time since the Great Depression.

WASHINGTON (CNN) -- A commission that investigated last year's terror attack on the U.S. diplomatic compound in Benghazi, Libya, that killed four people lacked sufficient independence and did not hold senior officials accountable, a congressional report said on Monday.

BIRMINGHAM, Alabama (CNN) -- Fifty years have passed since a bomb stopped the old sanctuary clock in Birmingham's 16th Street Baptist Church, locking in a moment that would change a nation.

(CNN) -- She's the second consecutive New York beauty queen to take the Miss America title, but she's the first Indian-American to wear the national crown -- er, tiara -- atop her perfectly coiffed head.

WASHINGTON (CNN) -- One suspect is dead after a shooting at the Washington Navy Yard, but two others may be on the loose, the D.C. police chief said Monday.

Some states have opted to build their own exchange but Mississippi is one of 19 states that have chosen to consign implementation of their exchanges to the U.S. Department of Health and Human Services.

Floyd Mayweather and Saul 'Canelo' Alvarez will box in Las Vegas for the biggest purse in boxing history. Guaranteed for Mayweather-- $41.5 million.
 

In New Orleans, LA., tests of St. Bernard parish's water supply confirmed the presence of a rare brain-eating amoeba blamed for last month's death of a 4-year-old boy.