This principle is actually not what’s operative here though; POTUS has endorsed and taped robocalls for Moore — this isn’t just respecting the will of Alabamians, the president is helping Moore win. If (when?) Moore wins it will be, imho, *because* POTUS helped him. https://t.co/YlXg92A8if

— Jake Tapper (@jaketapper) December 11, 2017