Gabrielle Union says she has an in with President Obama. “We have so many mutual friends from Harvard Law, like Hill Harper,” she told us at club L2 in DC. “I’ve known him since he was a junior senator from Illinois.” Union, the girlfriend of Miami Heat star Dwyane Wade, said she caught up with Obama last week at a Florida fund-raiser where they chatted. Union is producing, and starring in, a film for Lifetime. She said, “How can I make sure I’m being cast? By producing my own stuff. It’s the only way to make sure you have a job.”