Quad-City Times: When the temperature dropped to 27 degrees below zero in the Quad-Cities last month, you may have wondered whatever happened to global warming. If our climate is getting warmer, shouldn’t winters be milder, too? Actually, the answer is no, says Elwynn Taylor, professor of agronomy and climatologist at the Iowa State University Extension in Ames. “We’re getting overall warmer, but during warming times we get more extremes,’ he explains. “Although the typical Midwest …