This article is terrible. Here are some examples of why.
"If a scientist, [krugman] might be a global-warming skeptic, an AIDS-HIV disbeliever, a creationist, a stalwart that maybe continents don’t move after all."
I wouldn't say terrible. He makes a point he just tried to enhance that point with language that I'll agree was a little too...how shall we say...colorful (ironic considering he took Krugman to task for attacking other people but what can you do)
But there is an arguably logical thought process behind the post itself
"If a scientist, [krugman] might be a global-warming skeptic, an AIDS-HIV disbeliever, a creationist, a stalwart that maybe continents don’t move after all."
"Krugman wants to be Rush Limbaugh of the Left"