trump's campaign and later in the white house as director of message strategy. tonight, he is suing trump saying the president wants to stop him from getting out his own message. >> he does not respond well to weakness that he only responds to strength. so i wanted to stand up and say i'm not going to be pushed into a corner, bullied on this and stand up for myself. >> trump is furious with simms over a tell-all book simms wrote with stories of chaos and deceit in the west wing. after simms went on a book tour trump said he was a low level staffer who pretended to be an insider when he was not nothing more than a gopher. he is a mess. the trump campaign filed an arbitration claim saying he violated his non-disclosure agreement. simms says he is suing trump to stop the trump campaign in the white house from trying to silence him. >> i served him faithfully. i worked for the american people. that's essentially what the suit