Truly, his biggest problem may be the justification for his campaign.  Has anyone over the past hour and a half said, "I really wish Fred were up there, I'd like to hear his answer."  That's Fred Thompson's challenge in the next three weeks: the necessity for his campaign, which arguably was much greater four and five months ago before these candidates got their campaign and debating sea legs.  Now he has to get them, and they're ahead by months.