Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Sensing Shift, Democratic Presidential Candidates Vow Action on Gun Violence Reuters LAS VEGAS - Democratic presidential contenders on Wednesday vowed to pursue far-reaching limits on guns while standing up to the gun lobby, tackling an issue that has increasingly become a chief concern for their party's voters. Nine of the leading candidates gathered in Las Vegas for an all-day forum on gun safety, one day after the city marked two years since it suffered the deadliest mass shooting in modern U.S. history, which killed 58 people. The candidates offered details of various policies they have championed, including universal background checks, banning assault-style weapons and requiring gun owners to obtain licenses. .