LANSING, Mich (WQTX)  A new poll shows a tight race in Michigan’s 7^th Congressional District.  The Rossman Group poll shows U-S Representative Tim Walberg with a 42-percent to 38-percent lead over Democratic Congressman Mark Schauer.  The independent poll surveyed 300-people.  Schauer and Walberg went head-to-head for the seat in 2008—with Schauer coming out on top.