It hasn’t been pretty, but the Republican establishment, the delegate math, the money and more are increasingly lining up in Mitt Romney’s favor in the long and grinding race for the party’s presidential nomination.

The race will go on. Romney’s most dogged rival, Rick Santorum, is all but certain to claim more victories before the primary season ends.

And an astonishing admission Wednesday by one of Romney’s top aides – that primary-season policy positions may be no more lasting than squiggles on a child’s Etch A Sketch drawing toy – will hardly reassure Republicans skeptical about his commitment to the cause of conservatism.

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