Sacramento correspondent Brian Joseph had an interesting post on the Register's OC Watchdog blog last week about the explosive growth of the San Clemente-based Surfrider Foundation. Confirming with a group that follows the membership and money generated by nonprofits, Joseph reported that Surfrider has quadrupled in size since they started the battle against extension of the 241 Foothill-South toll road.In 1997, before the toll-road controversy, Surfrider reported revenues of about $1 million. I