The Huffington Post reports that the Target corporation has donated $150,000 to to Minnesota state representative Tom Emmer, a conservative who is an opponent of gay marriage. And according to the Associated Press, Emmer also supports Arizona's anti-immigration bill. No word on the public stoning of women.
If you're shopping for back-to-school stuff or anything else, you might consider shopping elsewhere. (But not Walmart.)
Update 7.31.10: If you're on Facebook, click onto Boycott Target Until They Cease Funding Anti-Gay Politics