Ronald Brownstein, the political writer for the L.A. Times who also writes for MSNBC, has a story up on the MSNBC website dated November 30, 2007 in which he compares the Republican presidential candidates to scorpions in a bottle. This is a quote from the article:
Why is the conflict so much more dispersed in the Republican race? The biggest reason is that every other Democratic candidate understands that he cannot win the nomination without getting past Clinton. None of them have an incentive to challenge each other unless they can weaken her first.
No Republican, by contrast, has emerged as a clear national front-runner comparable to Clinton. Five candidates (Romney, Giuliani, Thompson, Huckabee, and Sen. John McCain) have a chance to win at least one of the three key early states: Iowa, New Hampshire, and South Carolina.
Personally, we at the MCDAC love bitter Republican primaries so much, we want there to be 50 of them, but if we can't have 50, we will settle for 10 or so. As James Carville says, "when your enemy is drowning, throw him an anvil."