TODAY on Instagram: "Savannah Guthrie announced Dec. 19 on TODAY that she will undergo surgery on her vocal cords. “Some of you have noticed that my voice has been very scratchy and started to crack a little bit like Peter Brady, who was going through a change,” Savannah said, referring to a “Brady Bunch” clip the show played featuring that character’s voice cracking while he sang. “Well, I have found out what it is. I have vocal nodules, and now I also have a polyp. It’s not a big, big deal, bu