The Big Conversation:
A poor showing in Nevada on Saturday has thrown Ron Paul's campaign strategy into doubt.
Though Paul wasn't expected to win the state's caucuses, campaign officials had said they expected a strong second-place finish. Some even predicted last week that Paul could win if turnout was low.
The campaign, after all, had set up a Nevada office more than six months ago, and had spent almost twice as much money in the state on TV ads as front-runner Mitt Romney, who won the state in 2008. (Paul placed a distant second, ahead of John ...