Bill Lee signed the proposal into law less than an hour after the Senate voted to shrink Nashville’s 40-member council. Nashville Mayor John Cooper’s administration and others say the change will throw this year’s council elections into chaos, spurring the need to redraw districts after more than 40 candidates already launched campaigns. A separate bill would give the state control of the governing board for the city’s airport, stadiums and other landmarks, while another would remove Nashville’s ability to charge the tax that funds its convention center