spoke to cbs 's face the nation after admitting in an interview he would attend the same-sex wedding of a family member or staffer - even if he did n't agree with the decision .
the florida senator told bob schieffer that he was n't against gay marriage , but believes the ` definition of the institution of marriage should be between one man and one woman ' .
if a state wants to have a different definition , you should petition the state legislature and have a political debate .