The campaign manager of a Democrat seeking a U.S. House seat in upstate New York quit the campaign Tuesday, after a video showed the candidate saying she wouldn't publicly endorse a ban on certain firearms -- for fear that she’d lose the election. Mike Szustak, who since April had run the campaign of candidate Tedra Cobb, told the Watertown Daily Times that he’s no longer part of Cobb's bid to unseat Republican incumbent Elise Stefanik in New York's 21st Congressional District. The departure follows revelations that Cobb won’t publicly state that she favors banning assault rifles. The video was first...