Here's what you may have missed this week on 60 Minutes.Robert Gates on Afghanistan, his disagreements with President Biden and polarization in the U.S.Like a cowboy's therapy: The Green River Drift's 70-mile cattle driveEngland's pubs look for post-pandemic rallyRobert Gates on the future of AfghanistanBreathtaking sights and sounds from Wyoming's Green River DriftHow English pubs get their names60 Minutes Archive: Colin Powell, profiled by Ed Bradley in 1992