By John Stevens The wife of murdered soldier Lee Rigby has called on politicians to stop stoking anti-Muslim tensions. Rebecca Rigby is one of more than 50 victims of Islamist-inspired terror attacks who have signed a joint letter calling for an end to hatred towards Muslims. They warned it is the “height of irresponsibility” for some politicians to equate “being Muslim with being an extremist”. “The single most important thing we can do is to isolate the extremists and the terrorists from the vast majority of British Muslims who deplore such violence,” the letter adds. Signatories include sur…