January 15, 2009 7:06 pm A Look Back: Richard Nixon's Inaugural Speech “I know America. I know the heart of America is good.” -President Nixon, 1969 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