What's Better: 9mm, .40S&W, or .45ACP; More NRA Directors Resign; Taking A Gun On The Airlines: Gun Talk Radio | 08.08.21 Hour 2

<p>In this hour:<br /> - Black Hills Ammunition's ballistic guru Jeff Hoffman discusses the differences in 9mm, .40 S&W and .45 ACP, and why one might be better than the others<br /> - Two prominent NRA directors have resigned.  More may follow.  What's going on?<br /> - What happens when you fly on the airlines with a firearm?<br /> <br /> Tom Gresham's Gun Talk 08.08.21 Hour 2</p>