Darwin Ralph Gumm walked into the career center thinking he was going to tell 700 or so students about being a Marine, how to live a life of service and, in his words, to stay off "the soda pop and the dope." But not long after a decorated Marine sergeant escorted Gumm onto the auditorium stage at the Eastland Career Center in Groveport, he realized something else was afoot.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};