 to not just condemn but put an end to political violence in this country. The Biden campaign says the shooting reinforces why the president's running, the need to save democracy, stop political violence, and unite the country. He said before, and will likely reiterate tonight, that in the U.S., differences are not settled through violence, but at the ballot box. Karen Travers, ABC News, Washington. The Trump campaign is honoring the family of the man who was killed during Saturday's assassination attempt.