tonight that has blocked tourists from getting in or out of a busy entrance to yellows and titon national parks. >> we're seeing some scattered showers and thunderstorms to the north, and to the south, and tomorrow at 4:00, showers and storms are back! the exciting news of a new lens helping people with cataracts. >> close to 100 people are on the streets after the city shut down this hostel. what is the problem and why are people here shut out of a place to live for >> security forces are still searching that camp gnus kabul for the attackers. a photographer says grenades were thrown into the room and many were wounded. >>> the road from titon national park up to the south entrance of yellows in wyoming is closed lightning has thrown to some 1,800 acres. some campgrounds in the area and a big ranch have been evacuated. >>> the fda has approved a remarkable new lens for people with cataracts. >> doctors say it is giving patients back their natural vision and ruszing the need for >> it's good for those with cataracts and people who have trouble focusing on close object objects. >> my long-distan

national park service? >> it has been integral to the acquisition, development and operation of national parks. one would think initially about the rockefeller family making substantial donations of land and grand titon national park, gray smoke and another park where i had the opportunity to work, virgin islands national park, a substantial contribution of land there. but in addition to that, here in the nation's capitol, the -- i think of two major example. the frederick douglass home. located on a 14 acre estate was entirely donated by an organization founded by his second wife. think about wolf trap farm park for the performing arts. the land and construction costs for lane center was donated in full. so there are many classic examples in which many of the parks that we enjoy today came to us from private individual or from organizations that had a civic approach to conservation and preservation. >> do you get checks from people who don't have a lot of means? small donations from people as well? >> no question about that. i don't know what the dollar level is, but the federal government and the park service in particular is authorized to accept donations unilaterall. also, congress in 1967 establ