The libertarian announced yesterday that he's no longer actively campaigning in states that have not voted. Ben Jacobs decodes the move:

His name is still on the ballot, he’s still accumulating delegates who will be bound to him in Tampa, but he avoids any responsibility for his electoral performance. If he does well, it’s a sign of the popular appeal of his message. If he doesn’t, well, he wasn’t really trying. Paul can escape blame for poor electoral results while continuing to help his fans take control of the party machinery state by state. The strategy may be passive aggressive, but it just could allow him to obtain the most elusive prize in electoral politics: power without responsibility. Not that there’s anything wrong with that.

Weigel guesses that Paul wants a lower profile when he loses in Kentucky, where Rand Paul is a senator: "Eight days out, Paul wants us to know that his crushing defeat in the state will have no impact whatsoever on Rand Paul's rising star." Brian Doherty says Paul's statement has been misunderstood: