MARIETTA, Ga. - A group of Civil War re-enactors from Cobb County are headed to Washington next month to march in President Bush's inauguration parade. The group, called the 21st Ohio Re-enacting Unit, was invited by Vice President Dick Cheney after Cheney discovered his great-grandfather was a captain in the 21st Ohio Regiment. "We thought as a group that it would really be kind of a tribute, not only to the vice president and his great-grandfather but to the 21st Ohio, to be in the inaugural parade," said unit member Bradley Quinlin, a 50-year-old Suwanee resident who works as a...