California and Nevada reached a historic agreement over Lake Tahoe this week with the passage of an extensive plan designed to shape development at the lake for years to come.The Tahoe Regional Planning’s Governing Board approved an update to its 1987 Regional Plan by a 12-1 vote at Harveys Lake Tahoe late Wednesday afternoon. Mara Bresnick, the California Assembly speaker’s appointee to the board, was the lone vote against the plan update, which has been under discussion for the better part of a decade.Supporters have billed the plan as a catalyst to improving Lake Tahoe’s environment and its struggling economy, …