There are around 90 guns for every 100 Americans yet, despite 85 fatal shootings a day, the mighty US gun lobby is as powerful as ever. In the wake of Trayvon Martin's killing, Gary Younge reports on the country's deadly attachment to firearms At an organising breakfast for National Rifle Association (NRA) grassroots activists, Samuel Richardson, a man with whom I have not exchanged a word, passes me a note. "Please read the book Injustice by Adams," it reads. "He was... (GunPolicy.org)