President Obama shakes hands with his nominee to head the Defense Department, former Sen. Chuck Hagel, at the White House on Jan. 7. John Brennan, Obama's choice for director of the CIA, looks on.
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Milwaukee County Sheriff David Clarke has advised residents in a new PSA that they should consider taking a firearm safety course to defend themselves in a crisis as they wait for police to arrive.
Gary Porter/AP/Milwaukee Journal-Sentinel