He is pottying on principle in order to accomplish the "full McCain", siding with the leftists so as to merit friendly ink from the Marxist press. All this "maverick" makeup is used to position himself to fool people into thinking that HE is the electable centrist.
It will not work.
We are WAY ahead of Mister Graham and his duplicity, and the electorate is now quite wary of another McCain second place.
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Pandsey as POTUS material? I have more faith in God than that.