for letting me come on and telling everybody that i am the ambassador for 75th anniversary for the smoky mountains. come on down, and do that. i'm a walk commercial. >> larry: thank you, dolly. -- captions by vitac -- www.vitac.com >>> as we go on the air tonight, tension and a tipping point in iran and at any moment we could see another uprising on the streets. what is behind that? cnn's iran desk is on the job. in the tiny nation of yemen, a top secret meeting an anti-terror meeting between that country's president and president obama's top military man stationed there. we will tell you what went on. cnn knows. hello, everyone. i'm don lemon and we want to start with the story that is making news right now, bitter cold an plunging temperatures. not one, but two systems are making a messy start for the beginning of the year. look at the windchills in the radar that you see right there. now, an arctic blast sent the mercury plummeting in minnesota, and 34 below zero in some parts of the state which is close to a record n. south minnesota, about 3,500 people were without electricity for a