I've come around to the notion that the Republican Party are like market investors in a stock bubble: they know it can't continue, they know they're near the top, but they're trying to maximize their investment before they cash out their chips and hunker down for years of stormy weather.
Mccain is only ever reminded of the Keating Five when he's trying to run for President. None of these fuckers will face any real blowback if they survive reelection. And if they don't survive reelection there's some friendly board of directors somewhere that will pay them six figures a year to come to eight meetings.
"bin Laden determined to attack within the United States" has been on the board of directors at Dropbox since 2014.