The chairman of the Senate K-12 education budget committee today dropped a small political bomb today (Friday) when he proposed a version of Governor Carlson's school vouchers plan. Minnesota Public Radio's Martin Kaste reports: DFL State Senator Larry Pogemiller says his plan isn't a vouchers plan -- it's a "CERTIFICATES" plan. But both plans seem to share the same basic philosophy: the idea that free-market-style competition would be good for Minnesota's schools: