(Reuters) - Pot smokers formally gained the right to light up in Colorado on Monday as Governor John Hickenlooper signed into...

By Keith Coffman and Nicole NerouliasDENVER/SEATTLE (Reuters) - Colorado and Washington became the first U.S. states to legal...

LOS ANGELES (Reuters) - Christian Bale, the actor behind the Batman mask in "The Dark Knight Rises," visited victim...

AURORA, Colo. (Reuters) - President Barack Obama met with friends and family of the Colorado movie theater shooting victims o...