Barack Obama has a 12-point lead over John McCain in Minnesota, according to the latest poll from Rasmussen Reports. The survey of 500 likely voters shows the Democrat maintaining a 55-43 advantage. The previous Rasmussen poll had Obama with a 15-point lead. Every survey conducted by the polling firm this year has shown the Illinois Senator with the lead in Minnesota. Other Rasmussen state polls released this afternoon find Obama with leads in Michigan (+10) and New Mexico (+10), while McCain has the edge in Alaska (+16).