I wasn’t the best at rolling sleeves in my time, wasn’t the worst either, probably right around the middle of the pack. Leading that pack from Guatemala, though, is their marine corps commandant. Seriously, those rolls are so sharp, they probably outmatch half the Marines in the Corps. Col. Medardo Monterroso Suarez is so pumped about U.S. Marines training his troops that he not only wants to completely adopt their doctrine, but apparently their uniform presentation as well. Recently, we sent Marine Corps Times reporter Gina Harkins and staff photographer Mike Morones down into the heart of Central America to…