Mr. McCain, the US as nation is not failing because of the White House, the main cause is the double standards US as leader of the West is playing on the world stage for the economic and political gains.
The BREXIT vote was a reaction of the common people against the policies of Western achievements like the US, EU and NATO in UK.
YOU WILL SEE THE NEXT REACTION AGAINST THE ESTABLISHMENT, TRUMP WINNING IN YOUR COUNTRY.
Do your home work, stop blaming, start changing:
Stop US interfering in other nations affairs, stop sponsoring regimes, stop toppling regimes, stop imposing warlords as leaders on nations (as in Iraq, Afghanistan...) work as a partner with nations, use it or lose it.
Call from the graveyard of empires.