Troilus and Cressida ***
By: David Sheward This summer's free Shakespeare in the Park season has consisted of two of the Bard's most difficult works for contemporary audiences. The first offering was a misfiring Taming of the Shrew, which attempted to balance the piece's inherent sexism with an all-female cast and jiggering of the script. The second piece, the notoriously unwieldy Troilus and Cressida, is much more successful but unfortunate…