Mornings for Geoff Duncan begin before sunrise.By 5 a.m., the freshman state lawmaker from Forsyth County is out of bed and ready to “fire up a cup of coffee.”For early days at the Capitol, Duncan’s on the road by 5:45 a.m. and in his office by 6:30 a.m. replying to e-mails. On good days — when he doesn’t have to be in Atlanta until 10 a.m. — 6:30 a.m. is when he’s waking up his three sons. “Those are the really fun days.