Toledo Blade: North America's sudden fascination with the swirling, icy-cold air mass called the polar vortex has -- if nothing else -- expanded the meteorological vocabulary of millions of people, from late-night talk-show hosts tossing around their quips to ordinary people who share opinions on Facebook, Twitter, and other forms of social media.
But it's also quietly opened up an ethical debate among mainstream scientists over how hard they should promote any and all possible links between climate change...