August 1, 2013 5:14 pm Safety a Big Part of Lollapalooza 2013 More than 300,000 fans are expected to flock to Chicago for this year’s festival. Christian Farr reports on how the city, the festival and hospitals are preparing. US & World Videos 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:36 O.J. Simpson's cause of death revealed 25:57 WATCH: ‘Changing Climate' highlights the Philly-area residents who are combatting climate change