There is no Army Ranger "boot camp" per se... The Marine Corp's boot camp is definitely tougher than the Army's basic combat training. However, if you end up going through RIP (Ranger Induction Program) it is a grueling, mentally challenging and physically draining (literally) couple of months...
What do they care? Their economy is rolling and they are in the middle of the largest military build up outside of the cold war- all thanks to the American people shopping at Wal*Mart and buying their crap. They own a very high percentage of our national debt and the oil pipeline we built in...
Oh hell yes they are. I caught my neighbor's dog dumping barrels of toxic sludge into the river just yesterday... to make matters worse, it was completely without remorse and even made me rub its belly...