Buchanan cites “record cold temperatures” to claim “that global warning [sic] is a crock”

From Buchanan's May 11 World Net Daily column:

More and more Americans are coming to conclude, after the record cold temperatures in many cities this winter, that global warning is a crock - that there is no conclusive proof it is happening, no conclusive proof man is the cause, no conclusive proof it would be a calamity for us or the polar bears.