U.S. Senators reintroduce bill to delist the Greater Yellowstone Grizzly from endangered species lis 

They have repopulated. Especially in western Montana where they are at 2000. The bill is to remove Grizzlies from the endangered list in those areas only. Currently the National Park service and Forest service are planning out introducing more Grizzlies to the north cascades in Washington where they are struggling quite a bit.