Yes, sell it all. Then access will be non-existent. PERIOD. /s
Keep it the way it is and fix the dam scumbags in government and DC. Do not let private citizens, corporations, foreign entities buy and restrict access to our national parks, etc. Good grief! I can see the logging companies scraping the redwoods from the ground forever! This applies to any other natural resources as well.
HUH? The Feds control FAR too much real estate. There is a very good reason to sell a big chunk of it, and make it productive.