January 23, 2009 8:52 pm Jessica Alba to Appear on “The Office” Jessica Alba talks about working with both the cast of “The Office” and guest stars Jack Black and Cloris Leachman on the post-Super Bowl episode. US & World Videos 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 2:36 Super dad makes Mario-themed obstacle course for son's birthday 4:17 How the Philadelphia Union became the sustainability champs of the MLS