Diplomatic author and former Georgetowner columnist Gail Scott hosted friends on May 22 as she bids farewell to her beloved “Frog’s Leap.” This 1864 Federal home at 29th & Q was immortalized in late Georgetown photographer Fred Maroon’s iconic image of the icicle-encrusted antique gas lanterns during a1976 blizzard which paralyzed the city for days. The property’ s name comes from the large copper frog statue playing his violin on a park bench in the walled garden. Guests enjoyed elegant treats prepared by the French Embassy chef and joined in an exuberant sing-along with Chilean Ambassador Arturo Fermandois, who has led two rock bands