A great record, or a great campaigner?

What matters most in the presidential races, having a great record of accomplishments, or being a great campaigner? Scott Walker and Rick Perry, both governors with records of significant accomplishments, but neither a very good campaigner, have dropped out of the GOP race.

Mark Steyn writes,

...if you have in effect a three-year election campaign then the ability to campaign becomes what matters: that's the "record" that counts.