Key point being "sometimes". Demonstration of capability is important because that capability will be tested. Here's an example: The best way to do this is b

Key point being "sometimes". Demonstration of capability is important because that capability will be tested. Here's an example: The best way to do this is by constantly waging small wars and battles, which the US has done for decades. Now whether the US can wage a drawn-out war is a different matter; that hasn't been tested in a very long time (and for the record, that worries me).