Gov. Gretchen Whitmer (D) is more than 30 points ahead of her closest Republican challengers following the shake-up of the GOP candidate field, according to a new poll. The poll, conducted by Target Insyght and published by Deadline Detroit, showed Whitmer with a 34-point lead over businessman Kevin Rinke and real estate broker Ryan Kelley, a 36-point lead over chiropractor Garrett Soldano, a 37-point lead over conservative media personality Tudor Dixon, and a 39-point lead over pastor Ralph Rebandt.