The Department of Defense and Marine Corps bar active-duty troops from participating in “partisan political” activities. Military personnel cannot “speak before a partisan political gathering, including any gathering that promotes a partisan political party, candidate, or cause,” according to policy. Lance Cpl. Hunter Clark spoke for less than a minute at Trump’s event as the Republican former president stood by at the “Save America Rally” at the Georgia state fairgrounds in Perry last Saturday. Clark introduced himself as the “guy that pulled the baby over the wall” outside the Hamid Karzai International Airport in Kabul, Afghanistan, last month during the...