McCain has serious problems. He desperately needs more than just Republican votes-- but when he ventures to try to appeal to independents--on global warming, campaign finance reform etc., his own base threatens to desert---or stay home.

Meanwhile his stands which do appeal to the base--Roe v Wade, taxes, etc.--are exactly those which turn off independents.

His predicament is clearly seen in the VP situation. The WSJ editorial page doesn't like any of the potential candidates--even Romney, which they see as alienating evangelicals because of Romney's Mormonism.   Even Pawlenty--strongest choice, they say--is not simon-pure on taxes. He didn't raise taxes as governor--but raised fees, the same thing in their book.