By Khadija Khan The gruesome and senseless killing of British MP Sir David Amess is a blow to the heart and soul of Britain’s democracy. Sir David, who had been a Conservative MP since 1983, was stabbed multiple times during a Friday meeting with his constituents in Leigh-on-Sea, Essex. Soon after the attack, Ali Harbi Ali, 25, a London-born man of Somali heritage, was arrested on suspicion of murder, and has now been charged after being detained under terrorism legislation. While it is too soon to say what the motives were…