Concealed carry permit holder Byron Wilson drew his handgun and engaged a mass shooter in Texas on Sunday, possibly saving lives at great risk to his own. An Army veteran* of multiple tours in Afghanistan opened fire in Houston on Sunday, killing two people wounding and wounding six more before being killed by responding SWAT officers. What many news outlets seem to be glossing over in their reporting of attack is that the veteran’s attack, carried out with an AR-15 variant, showed that the weapon was anything but “high-powered.” Six of the eight people shot with the most common rifle...