Yes. He can order the military (seal team 6 or something) to put a bullet in his face. That's a presidential action. Whoever does it though could be charged. The president could then pardon (another presidential action) everyone involved.
After Nixon resigned, he was pardoned before he was even charged so...
Walk around barefoot and you'll get calluses similar to what you want. The more shoes you wear, the fewer calluses you'll get.