MSNBC's Chris Matthews Compared Bernie Sanders' Nevada Performance To The Nazi Invasion Of France

As Bernie Sanders surged to the top of the pack at Saturday's Democratic caucuses in Nevada, MSNBC anchor Chris Matthews was having a rough time.

The Hardball host told viewers that if Sanders became the Democratic nominee, Republicans would release opposition research about "what [Sanders] said in the past about world affairs, how far left he is" that would "kill him" in the general election in November.