Roger federer reaches his first grand slam final in two years with victory over swiss compatriot Stanislas Wawrinka at the australian open. Good afternoon and welcome to the bbc news at one. Theresa may is expected to become the first world leader to meet americas new president this evening when she addresses republican congressmen in philadelphia. Tomorrow, she will travel to the white house for formal talks. The Prime Minister is expected to tell her audience tonight that a sovereign, Global Britain wants to enhance ties with its old friends. But some politicians here have reacted to the meeting with misgivings, after mr trump said he supported the use of waterboarding in interrogations. Heres our political correspondent, carole walker. Theresa may says her meeting with President Trump will be an opportunity to renew The Special Relationship, to discuss a Future Trade Deal and the importance of strengthening defence and security cooperation. But how will she respond to the new presid