The Feb. 7 deadline is fast approaching for West Marin residents to apply for a seat on the seven-member Marin County Planning Commission, which reviews county zoning and development proposals and makes recommendations to the Board of Supervisors. The District 4 representative resigned last month, citing a lack of support from Supervisor Dennis Rodoni; meanwhile, three other district seats and one of two at-large seats are also opening. Commissioners are appointed by the board, which…