Every president gets sworn in once, but it's a smaller club of presidents who manage to get there twice. Here's a look at some recent presidents who served two terms. See who changed the most (or the least) in four years.
It's not just the presidents who can change a lot in four years. First daughters Sasha and Malia Obama were 7 and 10 on Election Day 2008 (left). Now, they are 11 and 14 (shown on Election Day 2012, right).