MINNEAPOLIS (AP) - A new Star Tribune Minnesota Poll shows the fight over a proposed constitutional amendment banning same-sex marriage is in a statistical dead heat.

The Star Tribune reported Sunday that 48 percent of likely Minnesota voters support the amendment that would define marriage as between one man and one woman, while 47 percent of Minnesotans oppose the change.

Five percent are undecided.

Those in favor are short of the 50 percent needed to change the state Constitution.

A September Minnesota Poll had similar results.

The poll was conducted among 800 likely voters who were contacted by cellphone and land line from October 23rd to October 25th. It has a margin of sampling error of plus or minus 3.5 percentage points.

(Copyright 2012 by The Associated Press.  All Rights Reserved)

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