How come Ainsley Earhardt says that Mitt Romney is 'Obviously not a Christian'?

Perhaps Ainsley Earhardt is one of the obnoxious self-rightous that think it is their job and right to judge everyone else. Whether Romney is "Christian" of not is irrelevant. I would prefer someone that is smart and capable of doing a job. If I want Christian, then I will go seek a minister and attend church. The founding fathers wanted separation of church and state. I don't care about someone's religious beliefs half as much as I do about their abilities and qualifications to run this country well. Being Christian is not a qualification for the presidency. America is a melting pot of many religions.