Rep. Adam Smith (D-WA), expected to become the next chairman of the House Armed Services Committee, said Wednesday he is considering negotiations with GOP defense hawks that could increase defense spending on conventional capabilities in exchange for cuts to the U.S. nuclear arsenal. "From a dollar standpoint, you cannot have both," he said today at a Ploughshares Fund conference in Washington. "That is the argument that gives us the best chance." Smith said Republicans in the Senate, where the GOP...