Donald Trump and Ted Cruz are running neck and neck in Iowa, while Hillary Clinton and Bernie Sanders are also locked in a tight race in the Hawkeye State.
Saying that America faces a "gun violence epidemic," President Obama is taking "a series of common-sense executive actions" to reduce gun violence Tuesday, the White House says. First among the measures: tighter rules on background checks for gun buyers.
Federal authorities made no immediate attempt to retake the Malheur National Wildlife Refuge in the remote high desert of eastern Oregon, which about two dozen activists seized over the weekend as part of a decades-long fight over public lands in the West.