Here's what you may have missed this week on 60 Minutes.SolarWinds: How Russian spies hacked the Justice, State, Treasury, Energy and Commerce DepartmentsBill Gates: How the world can avoid a climate disasterSimone Biles readies for her final OlympicsBill Gates says he is determined as ever to drive innovationCybersecurity experts say U.S. needs to strike back after SolarWinds hack60 Seconds with Simone Biles