Morning Joe 07/31/12

US women's gymnastics team, Michael Phelps win big in London

Top Talkers: Willie Geist brings the latest Olympics news from London including the U.S. women's gymnastics team winning its first Olympic title since 1996 and Michael Phelps winning his 19th gold medal, prompting many to say he's the greatest Olympian ... more Duration: {{video.duration.momentjs}}