philadelphia. as scott walker learned this week a culinary stop can cause an upset stomach. this week s state of the cartoonian. wisconsin governor and republican presidential candidate scott walker walked into one of the most sticky issues in the nation, the philadelphia cheese steak wars. in battleground pennsylvania. perhaps hailing from america s dairy land walker thought his cheese expertise would prevail. it did not. though he tried to avoid choosing between pat s and gino s by visiting both. others have fallen into the cheese steak quicksand. john kerry ordered his cheese steak with swiss in 2004. president bush mocked kerry by saying he knew the proper order was wiz with. that s with cheese wiz, supposedly the proper order. to true fill del phines provolone shows cred. walker went with american cheese.