baby-sitting at the caucus site so parents can go and caucus tonight. we will find out if that kind of ground-level organization on his part will pay dividends. >> now we get to see the caucusing play out. thank you for coming in. wolf, back to you. up next, even as there's a lot of interest understandably so for what's going on in the iowa caucuses, let's not forget there's a war going on and it's escalating in the middle east. today a u.s. fighter jet shot down a missile launched from houthi rebel territory aimed at a u.s. destroyer in the red sea. how the pentagon is responding to the clearly escalating tensions.