NEW YORK (Reuters) - Former New York City Mayor Ed Koch was memorialized on Monday as an in-your-face, wisecracking leader who helped transform the city from a symbol of urban decay to the vital, glittering metropolis it is today. As Koch's casket was led out of Temple Emanu-El, a soaring Fifth Ave. synagogue opposite Central Park, an organ played Frank Sinatra's "New York, New York" while mourners including former U.S. President Bill Clinton and a who's who of New York politics stood and applauded. ...