Zimmerman Case app
Here is a closer look at Mitt Romney's vice presidential pick Wisconsin congressman Paul Ryan.
Paul Ryan was born in Janesville, Wis., in 1970. He is the youngest child of Paul and Elizabeth Ryan.
A former U.S. vice president is indicted for treason, the most powerful earthquake ever recorded hits Chile, "Pac-Man" makes his debut, Johnny Carson signs off, and a deadly tornado devastates Joplin, Mo., all on this day.