Actually: Anyone who utters an argument like this is mixing up climate and weather.

When Senator James Inhofe famously threw a snowball across the Senate floor in an attempt to undermine the validity of climate science, people who practice that science for a living pretty much rolled their eyes.

Yet the Republican senator from Oklahoma, chairman of the environment committee in the Senate, is hardly alone is mixing up weather and climate. On comment boards, at public meetings and even in college classrooms, some version of the question is heard again and again: If global warming is real, how can it be so cold in my back yard?