DEWITT — Six of the men vying for the Republican nomination to challenge Sen. Debbie Stabenow in 2012 squared off Thursday in DeWitt at a Tea Party-sponsored forum and came out in favor of abolishing numerous federal agencies. Participating in the forum were Gary Glenn, president of the American Family Association of Michigan; Clark Durant, a charter school advocate; former Congressman Pete Hoekstra; former family judge Randy Hekman; Scott Bowman and Peter Konetchy