Reporters are running out of synonyms for the word "standoff" to describe the K-12 education funding situation at the state capitol. Governor Carlson says he'll settle for nothing short of education tax credits; legislative leaders say tax credits are the ONE thing they won't give him. Minnesota Public Radio's Martin Kaste reports on this legislative game of chicken: Teachers unions and other supporters of the current public schools system are tired of losing ground at the capitol. Two years ago, they watched lawmakers cave in to the Governor and put a cap on K-12 spending... and in the years before that, they lost fights over charters schools and open enrollment. But House Majority Leader Ted Winter says this year will be different: ((We dug in on this last year and the year be