Some GOP'ers have a message for Britney Spears: Stay home.The belly baring pop star is being courted to attend the Republican in New York next week, according to the Chicago Sun Times, and that has sparked outrage among some conservative groups. 'Through her immature antics, Ms. Spears has probably done more to undermine sexual morality than all of the misguided legislation introduced in the United States over the past decade,' the Illinois Family Institute wrote in an e-mail to members.'It would be the height of hypocrisy for a party that claims to represent wholesome values to celebrate her.'Citing Spears lesbian...