Granholm leads DeVos in poll; over half give positive job rating 7/8/2005, 5:16 p.m. ET By KATHY BARKS HOFFMAN The Associated Press LANSING, Mich. (AP) — Democratic Gov. Jennifer Granholm leads likely Republican opponent Dick DeVos 51 percent to 33 percent in a new poll released Friday. Sixteen percent were undecided. The governor's job approval and favorability ratings remain above 50 percent, nearly unchanged since March. Republicans have criticized Granholm for not doing enough to help boost the state's struggling economy, but the sharp words apparently have not done much to dent how voters feel about her. The latest poll...