60 Minutes S53E02 - Florida's Amendment 4 | The Wall | Sir David

Florida's Amendment 4 – Lesley Stahl reports on the legal and political fight over the voting rights of 1.4 million felons in the crucial swing state of Florida. 

The Wall  – Sharyn Alfonsi investigates how a company with a checkered past convinced the Trump administration to give it billions in border wall contracts. 

Sir David – The wildlife filmmaker Sir David Attenborough warns in his latest documentary that humanity has committed a crime against the natural world by causing climate change. Anderson Cooper reports.