President Obama wrote an open letter to the nation's police officers Monday night to say "we have your backs," after two separate shootings in which eight police officers were killed in Dallas and Baton Rouge. His letter was addressed to the "brave members of our law enforcement community" and was posted on the Fraternal Order of Police's Facebook page. Obama offered his unwavering support to police as they "do their difficult, dangerous jobs." "I want you to know that the American people see it, too," the president wrote. "We recognize it, we respect it, we appreciate it, and we depend...