NEW YORK — A prominent real estate developer testified Tuesday that former New York Assembly Speaker Sheldon Silver asked him to hire a friend's small law firm to handle tax litigation, but never disclosed that he was splitting lucrative legal fees with the friend.Developer Steve Witkoff told jurors at Silver's corruption trial in Manhattan that he first learned about the arrangement when the friend, Jay Arthur Goldberg, urgently called him in 2014 to tell him that Silver's [...]