NORTH CAROLINA VOTERS' REJECTION OF A PLAN TO RAISE TAXES FOR A BIG LEAGUE BALL PARK MAKES THE MINNESOTA TWINS' FUTURE AS MURKY AS EVER. YESTERDAY VOTERS IN THE TWO COUNTIES THAT MAKE UP THE PIEDMONT TRIAD RESOUNDINGLY DEFEATED THE TAX PROPOSAL THAT COULD HAVE PAVED THE WAY FOR A TWINS' MOVE TO NORTH CAROLINA. THAT REJECTION MAY LEAD TWINS OWNER CARL POHLAD TO LOOK MORE CAREFULLY IN MINNESOTA FOR A NEW BUYER AND/OR A NEW STADIUM. MINNESOTA PUBLIC RADIO'S WILLIAM WILCOXEN REPORTS... YESTERDAY'S VOTE MEANS THE TWINS WILL NOT BE PLAYING BASEBALL IN THE PIEDMONT TRIAD ANY TIME SOON. BUT IT DOESN'T RESOLVE WHERE THEY WILL PLAY. A SPOKESMAN FOR THE TWINS SAYS TEAM EXECUTIVES ARE INV