Rep. Lateefah Simon, who walked out of Trump’s joint address to Congress, weighs in on how Democrats are fighting against the President’s agenda.

In a video posted online, Sanders began his response by refuting what he called Trump's most damaging lie during his speech: that being the claims about centuries-old dead people being sent Social Security checks, denying the the president's claim outright and claiming that he is setting up for an attack on the Social Security program.