Retired weather service head talks extreme weather, climate change and, yes, 'Sharpiegate' - USA TODAY

Retired weather service head talks extreme weather, climate change and, yes, 'Sharpiegate'  USA TODAY

Retired weather service head talks extreme weather, climate change and, yes, 'Sharpiegate' - USA TODAY
Retired weather service head talks extreme weather, climate change and, yes, 'Sharpiegate'  USA TODAY