If you think the Democrats won't hunt down the Jews just because there are a bunch of Jews at the top of their ranks, you haven't noticed their propensity for leading bloody revolutions that hate Jews. See Bolsheviks.
Bolsheviks didn't hunt down Jews. There's little reason for Democrats to do so either. They certainly won't hesitate to take actions that will result in Jewish deaths, but those will simply be considered casualties of their war.
If you think the Democrats won't hunt down the Jews just because there are a bunch of Jews at the top of their ranks, you haven't noticed their propensity for leading bloody revolutions that hate Jews. See Bolsheviks.
Bolsheviks didn't hunt down Jews. There's little reason for Democrats to do so either. They certainly won't hesitate to take actions that will result in Jewish deaths, but those will simply be considered casualties of their war.