Billy Bob Thornton is at his best in Amazon’s “Goliath” with his unique spin on Billy McBride a lawyer who is down if not out as he struggles with alcoholism. Thornton won a Golden Globe as the former high flying legal eagle who’s drawn back into the fight for justice when he takes on some bad guys. Jeanne Wolf found out why the character fits Thornton like a glove and why singing with his band, The Box Masters, is as important as acting.