Polls: 2 Mich. polls give Obama edge over McCain

Earvin "Magic" Johnson, left, speaks during a town hall meeting Wednesday, Sept. 24, 2008, in Lansing, Mich., backing Democratic presidential candidate Barack Obama and discussing Obama's urban policy. Johnson, whose hometown is Lansing, is a former NBA and Michigan State basketball star and now an entrepreneur known for redevelopment projects in urban areas. (AP Photo/Al Goldis)

THE POLL: EPIC-MRA poll, presidential race in Michigan among likely voters. (Michigan has 17 electoral votes.)

THE NUMBERS: Barack Obama 48 percent, John McCain 38 percent.

OF INTEREST: This new poll showed a big leap in support for Obama compared to a Sept. 14-17 EPIC-MRA poll conducted before the economy's severe problems. In the earlier poll, the two candidates were basically even, with Obama at 43 percent and McCain at 42 percent.

DETAILS: Conducted Sept. 20-22 for The Detroit News and television stations WXYZ, WILX, WOOD and WJRT. It included telephone interviews with 400 likely voters and has a margin of sampling error of plus or minus 5 percentage points.

MORE: http://www.woodtv.com/Global/story.asp?S9066719&;nav0Rce

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THE POLL: CNN/Time/Opinion Research Corp. poll, presidential race in Michigan among likely voters.

THE NUMBERS: Barack Obama 49 percent, John McCain 43 percent, Ralph Nader 3 percent, Bob Barr 2 percent, Cynthia McKinney 1 percent, undecided 1 percent

OF INTEREST: More voters are choosing Obama than in a Sept. 7-9 poll by the same group, which had Obama at 45 percent, McCain at 42 percent and Nader at 6 percent.

DETAILS: Conducted by Opinion Research Corp. Sept. 21-23 by landline telephone, included 755 likely voters. Sampling error margin plus or minus 3.5 percentage points.

MORE: http://www.time.com/time/politics, http://www.cnn.com