Greed is not good in the case of Michael Douglas’ ex-wife who is suing the actor for half of his earnings from the upcoming “Wall Street” sequel. Diandra Douglas, who was married to Michael for 23 years, quietly filed suit against her ex earlier this month, claiming she’s entitled to 50 percent of the upfront money and royalties from “Wall Street: Money Never Sleeps,” the New York Post reports. But, Gordon Gekko’s alter ego, 65, maintains that his ex isn’t entitled to a dime. When Douglas divorced Diandra in 2000, she got a reported $45 million settlement. The divorce was...