Bloomberg says ending 'nationwide madness' of gun violence drives his White House bid

Democratic presidential candidate Michael Bloomberg said on Thursday he wants to become president to end "the nationwide madness" of U.S. gun violence, calling it evil and saying he would allow its victims to file lawsuits against gun manufacturers.The billionaire media mogul, who jumped into the crowded field of Democratic White House candidates last month, unveiled a national gun control plan at a forum with survivors of gun violence in Aurora, Colorado, where 12 people were killed during a ma