. >>> once lost to deep blue, former world chess champion garry kasporov is excited about art official it does for humanity. discussing that and increasing tensions between u.s. and russia. >> that was two decades ago. plus, president trump ramping up a milk trade war with canada. live to a new york state dairy farm to see what's at stake later on closing bell. >>> welcome back, puerto rico could face lawsuits if they do not restructure their debt today. >> it's highly unlikely puerto rico reaches an agreement with the predators over eight hours given they had months to come up with a deal. midnight is the deadline, and after that, hedge funds and mutual funds will be free to sue the commonwealth over nonpayment from its defaults last year. puerto rico will then be forced to decide whether to activate title iii, similar to chapter 9 bankruptcy proceedings in the states. now, sources we spoke with say that we can expect a flood of lawsuits in san juan district court as well as new york tomorrow, but i want to draw attention to this video. this is the u.s. appointed oversight board put i