The gunman's motive will determine whether he's charged with a federal crime such as attempting a terrorist act, The Washington Post reports this morning as news outlets lay out what's known about Wednesday's shooting incident at the Washington, D.C., headquarters of the conservative Family Research Council. ...The wire service adds that the man identified as the gunman, Floyd Lee Corkins II, "had been volunteering recently at a community center for lesbian, gay, bisexual and transgender people" in Herndon, Va., about 30 miles west of the nation's capital. According to the AP, he allegedly "made a negative comment" about the Family...