One thing I’ve learned in half a century in Washington observing politics and politicians is that the worst wounds are self-inflicted. Don’t take my word for it, though I have some scars. You can ask Bill Clinton, Richard Nixon, Newt Gingrich, Kristy Noem, Pam Bondi, and recently-resigned-in-disgrace Representatives Eric Swalwell, Tony Gonzales, and Sheila Cherfilus-McCormick.