Obama sparks backlash after making comments on gun control in tribute to cops slain by the Dallas sniper

President Obama sparked a backlash on Twitter after making comments on gun control during a speech honoring the five fallen police officers killed in last week's sniper attack in Dallas.
http://www.dailymail.co.uk/news/article-3687603/President-Obama-sparks-backlash-Twitter-controversial-comments-gun-control-Dallas-tribute.html