So, maybe this wasn't just a private outing for the VP, but could have been official business? The VP spending a day out with a lobbyist and a prominent lawyer...you know, even if they really are just all friends, they had to know how this would look when it came out, and they'd be very naive to not think it would be found out. A political figure REALLY needs to think through all the interpretations and appearances of what they say and do and address them upfront, or else it does lead to an ever-worsening scandal.
I also wonder, if Cheney hadn't ticked off the media so much by delaying release of this story, but instead immediately invited the circus over as soon as the accident happened, would they have even been motivated to look this deeply into it? Really, if they had been called right away, I suspect the entire story would have been playing out at the Corpus Christi hospital with coverage focusing on Whittington's condition, and ending with his release from the hospital, rather than the political quagmire it's turned into.