The final and often authoritative Des Moines Register Iowa Poll of “likely Republican caucusgoers” will be released tonight at 7:00 pm. Shortly thereafter, we will publish the updated PD Composite Poll: Iowa including the Register’s important poll. Meanwhile, the Obama campaign team fully expects its opponent to be Mitt Romney, highlighted by a Rasmussen poll earlier this week where Romney had a six point lead. On another front, one of the driving forces behind the Obama vote during the last election cycle was the youth vote. This CNN article speculates whether this advantage will continue as 44.7 percent of Americans between 16 and 29 are unemployed. Finally, on foreign policy, Iran has announced it plans today to test fire missiles in the Strait of Hormuz, an important transportation lane for oil