Joe Biden, the US vice-president, has said Americans should buy a shotgun rather than an assault rifle if they want to protect their homes. Biden, who is spearheading a push for President Barack Obama's gun control proposals, made the remark during a question-and-answer session on Facebook on Tuesday. The vice-president has not one but two shotguns that he says he keeps in a locked cabinet at his house in his home state of Delaware, and he has given his wife, Jill,... (GunPolicy.org)