Frazz by Jef Mallett for February 25, 2011

Transcript:

Mrs. Olsen says, "I guess global warming is a crock." Caulfield says, "You know this how?" Mrs. Olsen says, "Isn't it obvious?" Caulfield says, "It was once 'obvious' that malaria was caused by swamp gas." Frazz says, "Nicely done." Caulfield says, "The state can require her to teach science. I can inspire her to."