The Secret Service in 2013 shot and killed a female motorist with a 1-year-old in the backseat after she made a U-turn near the White House. But when a horde of right-wing insurrectionists stormed into the U.S. Capitol in an attempt to disrupt the certification of the presidential election, there was one fatality and barely any arrests. You can guess what the difference was: Motorist Miriam Carey was African American. The vast majority of Wednesday’s rioters were white, angry Trump supporters. Some were bold enough to climb the steps of the Capitol toting Confederate flags and weapons. They br…