By Chuck MuthFor the AppealIt's all but settled. John McCain will be the Republican Party nominee for president in 2008. That has caused much anguish among many conservatives who knew Ronald Reagan - who was a friend of theirs. And Senator, you're no Ronald Reagan, or words to that effect.Nevertheless, conservative realists recognize that despite all the chinks in the right side of his armor, John McCain still is far more conservative than either Hillary or B.O. But when President Bush declared that John McCain was a "true conservative" this week - which was kinda like Joan Crawford declaring that …