Bernie Sanders is facing a torrent of attacks from his Democratic rivals in a high-stakes debate that could be their final prime-time opportunity to change the direction of the 2020 nomination fight. NBC New York’s Andrew Siff reports. Everyone ganged up on Sanders during the latest Democratic presidential debate. But Mike Bloomberg didn't get away unscathed. Elizabeth Warren struggled to differentiate herself from Sanders. And moderate Democrats still can't seem to agree on a strategy to slow the front-runner's momentum. Democrats on Tuesday held their final debate before the South Carolina primary and the critical Super Tuesday contests that follow three days later. NBC 4 New York on Twitter: 4.nbcny.com/kAuuwUN NBC 4 New York on Facebook: 4.nbcny.com/mbeh714 NBC 4 New York on Instagram: 4.nbcny.com/g5YlkcI NBC 4 New York on Youtube: 4.nbcny.com/iTUpy5e #DemDebate #Politics #News ----------------------------------------------- NBC 4 New York / WNBC...