Adams will be remembered as a tough negotiator but with a stain on his legacy

In 1972 a 23-year-old Republican activist being held under internment was flown on an RAF plane to London for a top secret meeting with the British Government.
Now, 46 years on, Gerry Adams — who remains a key player in the Republican movement while continuing to deny involvement in the IRA — will step down as Sinn Féin president.