huddled in fear over Global Warming in my sandwich

Rick says he likes and agrees with your statement " nothing more offensive than the ignorance of folks who "know". (me too) But important distiction... he says...responsible scientists always qualify and present findings. people who say the "know" don't do that. They just say their opinion as truth. Real scientists don't (that's a different kind of expertise) it has to do with solid research and findings that are always presented with qualifiers and context of experiment and testing.