In the backyard of a newly built townhouse in East Garfield Park on Sept. 13, a group of junior high and high school kids from Marillac St. Vincent Family Services peppered Eddie Jackson with questions. The Chicago Bears safety handled it with the swagger of someone returning a pick-six. Jackson got into the real topics at the event promoting the construction of the Harrison Row Townhomes, an affordable single-family housing complex sold through the Chicago Housing Trust. Why financial literacy is important for the kids. Why dreams beyond becoming football players or entertainers should be cel…