Sen. Bernie Sanders compared his record with Joe Biden's on trade and foreign policy, attempting to draw sharp contrasts between himself and the former vice president as the two lead the Democratic presidential pack https://t.co/XIHQK4CQrM https://t.co/6zLVGeAD6W

Sen. Bernie Sanders compared his record with Joe Biden's on trade and foreign policy, attempting to draw sharp contrasts between himself and the former vice president as the two lead the Democratic presidential pack https://t.co/XIHQK4CQrM https://t.co/6zLVGeAD6W (via Twitter http://twitter.com/CNN/status/1123219801168650241)