Protesters at colleges have dubbed the president “Genocide Joe” and demanded that he act to stop Israeli actions in Gaza, while conservatives have sought to blame Biden for disorder at colleges and universities. Even as other Democrats grew nervous about the political ramifications of the protests for the upcoming election, the White House tried to stay out of it, seeing the protests as a distraction. To see the risks, Biden needs only look back four years ago, when Donald Trump’s standing was hurt by massive protests over police violence.