Mitt Romney and Rick Santorum both claim victory in Iowa with the latter being defeated by only eight votes, the arsonist who terrorized Los Angeles is apprehended and the Occupy Movement rings in the New Year in Zuccotti Park. This and more in this week's Week in Pictures.
In this Dec. 22, 2011 file photo, Wisconsin Gov. Scott Walker is seen in Maple Bluff, Wis. Walker, who failed to reveal that the federal government had ordered him to immediately lift an enrollment cap on a state program to help the disabled and elderly stay out of nursing homes, announced at a news conference Wednesday, Dec. 28, 2011, he would lift the two-year enrollment cap on the Family Care program and expand it to the 15 counties that don't currently offer it. (AP Photo/Scott Bauer, File)
Members of the Iran Navy participate in a drill Wednesday, Dec. 28, 2011 in the Sea of Oman. Iran's navy chief warned Wednesday that his country can easily close the strategic Strait of Hormuz at the mouth of the Persian Gulf, the passageway through which a sixth of the world's oil flows. The navy is in the midst of a 10-day drill in international waters near the strategic oil route. (AP Photo/International Iran Photo Agency, Ali Mohammadi)
Occupy Wall Street protesters celebrate in Zuccotti Park in New York Saturday Dec. 31, 2011 standing on barricades they removed from around the park. The demonstrators had been ecited from the Park in November. (AP Photo/Stephanie Keith)