More than a century after his birth, Leonard Bernstein remains a pop culture phenomenon. Hot off the success of A Star Is Born, Bradley Cooper will direct and star in a biopic about multi-hyphenate who many consider the most important musician in American history. At the same time, America’s most successful filmmaker is remaking the treasured 1962 Best Picture Oscar winner West Side Story. Someone with Spielberg’s track record of blockbusters is in a position to pick only the best.