Carly Schroeder's left Hollywood for the Army, because she's on a life mission to help out those who desperately need it ... and feels it's time to walk the walk. The "Lizzie McGuire" actress joined "TMZ Live" Wednesday to discuss her decision to enlist, which wasn't made lightly. She tells us she got a lot of support from her family, though ... especially her dad, a former Green Beret, and her younger brother, a Marine. View