Now Playing: 01-25-12 Marketplace

Last night, President Obama addressed the nation, stressing job creation, tax rates and environment. But have we heard this before? Kai Ryssdal rewinds the tape and takes us back to the voices of Presidents Reagan, Clinton, and George H. W. Bush. One year after the Mubarak regime was toppled, Egypt's economy isn't doing so great. But did the Egyptian protests inspire demonstrations around the world? And in the latest installment of Freakonomics, Stephen Dubner debunks some Super Bowl myths.