051110_edbill_CFW- Rep Daniel Kagan (D-Cherry Hills Village) speaks on the house floor on the at the Colorado State Capitol during a 90 minute filibuster in effort to stall discussion of the controversial teacher tenure reform bill, Senate Bill 191. The D [Getty Images]

051110_edbill_CFW- Rep Daniel Kagan (D-Cherry Hills Village) speaks on the house floor on the at the Colorado State Capitol during a 90 minute filibuster in effort to stall discussion of the controversial teacher tenure reform bill, Senate Bill 191. The Democrats lined up on the House floor to talk about House Concurrent Resolution 1002 reading e-mails and referring to the Colorado Constitution in an apparent filibuster that started about 5 p.m.(Craig F. Walker / The Denver Post) (Photo By Craig F. Walker/The Denver Post via Getty Images) — see more

051110_edbill_CFW- Rep Daniel Kagan (D-Cherry Hills Village) speaks on the house floor on the at the Colorado State Capitol during a 90 minute filibuster in effort to stall discussion of the controversial teacher tenure reform bill, Senate Bill 191. The Democrats lined up on the House floor to talk about House Concurrent Resolution 1002 reading e-mails and referring to the Colorado Constitution in an apparent filibuster that started about 5 p.m.(Craig F. Walker / The Denver Post) (Photo By Craig F. Walker/The Denver Post via Getty Images)