Most Iowans are familiar with the saying, “If you don’t like the weather in Iowa, just give it a few minuets because it is bound to change.” Rapid temperature changes are not the only thing that Iowa is known for these days. It could also be said that if you don’t like which presidential candidate is leading in the polls, just wait a few days, because it’s bound to change. To date, five of the eight presidential candidates have led a poll of likely caucus goers in Iowa. To put that into perspective, at this time four years ago, only...