Putin shows new Russian nuclear weapons: 'It isn't a bluff'

MOSCOW (AP) — An underwater drone armed with a nuclear warhead powerful enough to sweep away coastal facilities and aircraft carriers.A hypersonic vehicle impossible to intercept as it flies in a cloud of plasma "like a meteorite."President Vladimir Putin said Thursday that Russia has these new strategic weapons and many more, declaring: "No one has listened to us. You listen to us now."Putin unveiled the stunning catalog of doomsday machines in his annual state-of-the-nation speech, sayin