Don't expect Senator John McCain to respond to critical Twitter comments from pop star Lady Gaga as the U.S. Senate girds for a showdown over gays in the military.
"I only Twitter with Snooki, as you know," McCain said Monday at the Reuters Washington Summit.
The Senate is expected to take up the hot-button issue on Tuesday, and McCain said he expects to focus his efforts on the floor of the Senate, not the popular microblogging service.
But he says the gay-friendly pop star and her followers are welcome to weigh in.
"I welcome her in the debate, I welcome all of her young fans into the debate," McCain said. "It's good to have lots of people involved.