Nope, this isn’t some leftover April Fool’s joke, mamma bear Sarah Palin is heading to a television near you. The former Republican poster child has signed up to host “Today,” according to NBC.com. The former Alaskan governor “will reveal a different side of her than you’ve seen before” when she co-hosts Tuesday. “How nervous should you all be?” Palin asked the other “Today” hosts in a phone call this morning. The answer Sarah: Very.