It`s a hot, humid July night in New York City. Where were you when the lights went out? A New York City resident for many years, Carol Higgins Clark was there during the blackout of 2003. Not surprisingly, she felt that Regan and Jack Reilly should one day share the experience As "Zapped" begins, the Reillys return home from a summer weekend to the loft in Tribeca they are in the agonizing process of renovating and expanding. They are looking forward to a quiet supper on their newly acquired roo