High Velocity Shootings, The Cattle Drive and Caligula’s Garden

<p>Following the massacre at Robb Elementary School in Uvalde, Texas, Scott Pelley&nbsp;revisits a 2018 report on AR-15-style weapons with rounds causing such devastating and often lethal wounds that first responders and emergency rooms are changing their protocols and preparing for the worst. Bill Whitaker&nbsp;reports on the longest-running cattle drive in America, begun 125 years ago and carried on today by the descendants of the original drivers. Anderson Cooper takes a look at the gardens of the Roman emperor Caligula that have been discovered and excavated, and some of the most remarkable finds are now on display for the first time.</p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>