Andrew SegretiTo say Mike Marchant has an angel resting on his shoulder is an understatement on par with saying our economy is sort of a bad way right now. Yesterday, Marchant, one of Denver's most talented songwriters, was hit by a car and managed to walk away from the incident having only suffered a concussion -- his second within a year and a half -- a sore arm and some minor scrapes and bruises. The first head injury was more severe and happened at the beginning of last year. When we profile