Dance master
If the dancer, choreographer, and Broadway musical director Jerome Robbins had only created the ballet "Fancy Free" (1944) and the show and film "West Side Story" (1957), he'd be remembered as one of the most important, mid-20th-century artists. But add on his ballets for New York City Ballet, the musicals "Gypsy" and "Fiddler on The Roof," plus his frequent collaborations with Leonard Bernstein and Stephen Sondheim, and you truly have Something To Dance About, the PBS-American Masters two-hour program, airing Feb. 18 at 9 p.m. The son of immigrants, Robbins spent a lifetime alternating between ambition and insecurity, as he tried to assimilate into the …