Letter with ricin sent to Miss. senator

WASHINGTON (AP) — An envelope addressed to Sen. Roger Wicker of Mississippi tested positive Tuesday for ricin, a potentially fatal poison, c…

President Barack Obama

Obama cancels visit to KU

Barack Obama has canceled his scheduled visit Friday to the University of Kansas in the wake of the Boston Marathon bombing.

Obama to visit Boston on Thursday

WASHINGTON (AP) — President Barack Obama will visit Boston on Thursday, three days after a pair of deadly bombings at the Boston Marathon. M…