SEATTLE – The Seattle Mariners just flushed away any doubts that their ballpark menu was getting boring. Today the team officially announced the “Big Dumper Sundae,” a chocolate soft-serve masterpiece served in a mini toilet bowl complete with hot fudge “flush,” chocolate wafer “logs,” and a complimentary roll of T-Mobile Park toilet paper napkins on the side. Yes, really. We saw the picture. We’re still processing. According to team officials, the reasoning was simple: “Cal