By Blake Hounshell

SAUL LOEB/AFP/Getty Images
CNN just called the Iowa caucuses for Obama; Romney has already conceded. Now we'll wait and see if Hillary comes in second or third. Go here for the updated results.
The Iowa caucus is an electoral event in which residents of the U.S. state of Iowa elect delegates to the county convention to which their precinct belongs in a caucus. ............
The Iowa caucus is noteworthy for the amount of media attention it receives during U.S. presidential election years: Since 1972, the Iowa caucus has been the first major electoral event of the nominating process for President of the United States. Although only about one percent of the nation's delegates are chosen by the Iowa state convention, the initial caucus has served as an early indication of which candidates for President might win the nomination of their political party at that party's national convention.
Swing state
From Wikipedia, the free encyclopedia

Current swing states in green A swing state (also, battleground state) in United States presidential politics is a state in which no candidate has overwhelming support, meaning that any of the major candidates have a reasonable chance of winning the state's electoral college votes. Such states are targets of both major political parties in presidential elections, since winning these states is the best opportunity for a party to gain votes. Non-swing states are sometimes called safe states, because one candidate has strong enough support that they can safely assume they will win the state's votes....
If you were anywhere in Iowa yesterday, you might as well assume that anyone around you could report on what you were saying, even in what you thought was a private moment at a restaurant. That’s the hard lesson learned by veteran GOP political strategist Ed Rollins, who was repeatedly flummoxed in a Fox News interview with Chris Wallace, who hectored him about a conversation he had that was transcribed and sent to a TownHall.com blog by the one other person in the restaurant....
By oshua Keating
After eight years of a president who allegedly didn't know that there's more than one kind of Muslim or that there are no such nationalities as "Grecians" or "Irelanders," Iowans who head to the caucuses tonight might be looking for a presidential candidate who won't make the kind of dumb mistakes that embarrass the United States in front of the rest of the world. They've got a tough choice to make. Front-runners in both parties have racked up an impressive number of gaffes, screw-ups, and displays of general ignorance that ought to make foreign policy-minded voters very nervous. Here are ten of the worst:............