WASHINGTON (AP) — Despite Republican misgivings, President Barack Obama announced Monday he will nominate former GOP Sen. Chuck Hagel as his next defense secretary, calling him “the leader our troops deserve.” He also chose White House counterterrorism adviser John Brennan to lead the Central Intelligence Agency. Controversy surrounds both choices, but the president called on the Senate to quickly confirm both. “The work of protecting our nation is never done. We’ve got much to do,” Obama said at the East Room announcement. “My most solemn obligation is the security of our people.” Obama announced his choice of Hagel, a political …