Trouble ahead? Russia, US in Black Sea showdown over Ukraine

Is it a case of Putin putting Biden to the test over Ukraine? With two US warships headed to the Black Sea in response to a Russian troop build-up at the border, Moscow is announcing live fire drills in the same waters while Ukraine trumpets land manoeuvres for its military. We ask about a neighborhood that's getting crowded and the timing of the sudden spike in tensions less than three months into the Biden presidency.