Sen. John McCain’s (R-Ariz.) tweets about earmarks have won the hearts of Americans from Maureen Dowd to … well, to Maureen Dowd. But this latest tweet about “wasteful spending” is a head-scratcher.

$1 million for Shipment and storage of oil shale core samples

Oil shale research is wasteful? I don’t know many Republicans who agree with this. Does McCain think the word “shale” is funny or is he a skeptic?