Former South African president Nelson Mandela has threatened to sue Brazil's pro-gun lobby for illegally using his image in their campaign against a proposed ban on firearms, an anti-violence group says. According to Viva Rio on Friday, Mandela's lawyer sent a letter to Brazil's pro-gun group Front for Legitimate Defence, asking it to stop using Mandela's image in its ads urging people to oppose the ban in a nationwide referendum on Sunday. About 122 million... (GunPolicy.org)