Sen. Rand Paul (R-Ky.) was assaulted at his Bowling Green, Ky., home on Friday and sustained minor injuries. According to police, Rene Boucher has been arrested for the assault. Boucher is a 59-year-old anesthesiologist who supports Sen. Bernie Sanders (I-Vt.) on universal health care and has widely shared his fierce opposition to President Donald Trump.Among other things, Boucher wrote on Facebook, "May Robert Mueller fry Trump's gonads."Paul also got caught up in the infamous attack at the Republican practice for the Congressional Baseball Game in June, when a Bernie Sanders supporter opened fire, seriously injuring House Majority Whip Steve...