'Would you like an autographed copy
of my birth certificate?' (Leschnyhan/Dreamstime.com)
John Harwood tweets
In @cnbc intvw, Perry tells me why he kept Obama birther issue alive: "It's a good issue to keep alive. It's fun to poke at him."
Yes, it's a good issue to keep alive. It's worked so well for everybody who's tried it before.