Diane Abbott was Britain's first black woman MP, but after decades of speaking out about racism, an intervention on that very topic has attracted universal condemnation. The backlash after Ms Abbott's letter to The Observer has been big and broad. It may mark the beginning of the end of her career in Parliament. Even though her apology was swift, Diane Abbott's claim that her letter was an early draft incorrectly sent to the newspaper provokes yet more questions about her views. Her Hackney North and Stoke Newington constituency includes Stamford Hill, one of the largest orthodox Jewish communities in Europe....