Nearly 600  members of Houston’s legal community and their guests helped the Anti-Defamation League (ADL) give the Karen H. Susman Jurisprudence Award to Melanie Gray of Winston & Strawn, LLP and Mark Wawro of Susman Godfrey L.L.P. April 22. Attorney John McArthur heaped praise on Wawro and Gray, both of whom he’s known for thirty-plus years.   He spoke glowingly about