Finally free from guilt over Challenger disaster, an engineer dies in peace

© Steve Helber/AP  In this Jan. 28, 198, file photo the space shuttle Challenger is destroyed by an explosion shortly after it lifted of...

Marco Rubio drops out of presidential race

A house on Woodbridge Road in Palm Beach, Florida. PALM BEACH, Fla. — George Bluff IV was smoking a cigarette in his backyard on Wood...