I may not agree with a lot of what Ron Paul has to say, but I respect him. And while his considerable momentum is likely to fall well short of garnering the Republican nomination, even if he were to catch absolute fire, the Grand Old Party would almost certainly sabotage his efforts, ala what the Dems did to Howard Dean in '04 (although Dean himself has a lot to do with that).
So why am I hoping Paul's visit to Seattle tomorrow is a raging success? Simple: He's already exhibited a willingness to desert his party and fly the Libertarian flag if it means advancing his own platform (see: the 1988 Presidential race). He's got far more momentum now than he did back then, so it stands to reason that if (more like when) he's denied his current party's nomination, there's a very, very good chance Ron Paul will run as the most credible third party candidate since Ross Perot in '92. And what's that mean for whoever the Democratic candidate is? Overwhelmingly certain victory in a race that's already looking like theirs to lose.