July 1, 2010 6:06 pm Sherry & Eva's Dating Advice Why you should never make a coffee date, play the waiting game and more dating tips from professional L.A. matchmakers Sherry and Eva Singer. Watch them in action on “The Match Off.” 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