Photo by kpe II via the LAist Featured Photos pool on Flickr LAUGH USC’s improv troupe 2nd Nature hosts their 5th Annual Fracas Improv Festival at USC today. Groups from around the country perform, members of the Upright Citizens Brigade and other professional comedians host workshops all day, and several famous comedians make appearances like Ed Helms of The Office. 1 p.m. // USC // Figueroa and Expedition, Los Angeles // Free ART David......

Spirit squad peeps are putting the finishing touches on Trojan piñatas, and sorority girls are tacking their sole set of panties onto the Undie Run Float. The parade, bonfire and rally will begin on campus tonight at 8pm, where dozens of student-built floats, marching bands, and alumnus will help the football team and spirit squad get thousands pumped for Saturday's football game against USC. The event will culminate into a bonfire pep rally at......