&gt; Has there been any significant effort to really comprehensively evaluate the data around gun violence and gun control?<p><a href="http:&#x2F;&#x2F;www.businessinsider.com&#x2F;congressional-ban-on-gun-violence-research-rewnewed-2015-7" rel="nofollow">http:&#x2F;&#x2F;www.businessinsider.com&#x2F;congressional-ban-on-gun-viol...</a>