A graveyard-shift commute in Miami-Dade County still comes down to whether a bus shows up after 10 p.m. Commissioners spent a marathon Thursday-into-Friday session closing a $14.26 billion budget for the fiscal year that begins Oct. 1, and by the time gavel came down early Friday morning, the county had found new money to protect one endangered slice of Metrobus service while leaving another to the cutting room floor.