Today’s fourth day of RAGBRAI took Philip 54 miles from Des Moines to Knoxville, Iowa on what could only be described as a roller-coaster of a ride. Up a hill at 7 miles an hour, down a hill at 30 miles an hour, up a hill, down a hill … rinse, repeat, rinse, repeat. Whew! It was extremely crowded today because a lot of Des Moines...