evidence: It was the year of U.S. Sen. Ron Johnson, unleashed. [...] "I don't know about you guys, but I think climate change is — as Lord Monckton said — bullshit," Johnson said in June, mouthing the expletive while referring to British climate change skeptic Lord Christopher Monckton. "By the way, it is." [...] Johnson later qualified what he meant in a statement to the Journal Sentinel.