Washington Post columnist Jennifer Rubin blamed “political violence” on former President Donald Trump and the Republican Party Tuesday. Trump was slightly wounded Saturday during the attempted assassination at a Butler County, Pennsylvania, rally, which left former volunteer fire chief Corey Comperatore dead and two other attendees wounded. In a post on X, formerly known as Twitter, Rubin claimed “one party” deserved blame for the violence rocking America. “One party and one party alone is responsible for rise in political violence: The horrific nature of the shooting should not stand in the w…