Looks like...
The Comanche program was started in 1983
...Reagan, not Bush.
The problem is that helicopters are just to low and slow, by nature of the missions they fill, to justify that kind of money.
Mogadishu and now Iraq have made accepting an incredibly expensive machine that can be shot down by a $500 RPG a bad idea.
We can have many more Blackhawks and other current machines do the job acceptably well without the huge expense.
Choppers were, are and always will be a dangerous job.