Isaiah Thomas on his struggles with grief after the deaths of two of his sisters

<p>Isaiah Thomas's youngest sister, Chyna, was killed in a car crash the night before he played in the 2017 NBA playoffs. In 2024 his oldest sister LaQuisha died as well. Isaiah tells Anderson Cooper he is "still struggling," but he also shares powerful insights he has learned about grief as tries to "go forward, without moving on." For more of “All There Is with Anderson Cooper” visit <a href="http://cnn.com/allthereis">cnn.com/allthereis</a>.</p>