Take a look at some of that CBS/NYT poll. You get the impression that the Obama commitment isn’t deep and McCain has some substantive support out there. Could Obama be the guy you date in your youth but do not marry when it’s time to get serious? Some of it:

LOOKING AHEAD TO THE GENERAL ELECTION
February 20-24, 2008
CANDIDATE CHARACTERISTICS
(Among registered voters)
Obama Clinton McCain
Prepared to be president 39% 57% 73%
Needs more time 56 37 20
Would unite the country 67% 34% 51%
Would not 25 56 39
ABILITY TO HANDLE AN INTERNATIONAL CRISIS
Obama Clinton McCain
Confident 47% 39% 56%
Uneasy 47 56 39
EFFECTIVE COMMANDER IN CHIEF
Obama Clinton McCain
Very likely 23% 20% 48%
Somewhat 46 34 32
Not likely 28 45 18
IMPROVE FOREIGN RELATIONS
Obama Clinton McCain
Very likely 32% 23% 16%
Somewhat 45 41 52
Not likely 20 32 29
THE CANDIDATES ON THE ECONOMY AND IRAQ
CONFIDENT WILL MAKE RIGHT DECISIONS ON THE ECONOMY
Obama Clinton McCain
Very 20% 19% 11%
Somewhat 46 37 47
Not confident 31 41 38
CONFIDENT WILL MAKE RIGHT DECISIONS ON IRAQ
(Among registered voters)
Obama Clinton McCain
Very 20% 16% 27%
Somewhat 37 34 31
Not confident 40 48 40
IF THE CANDIDATES WERE…, WHO WOULD YOU VOTE FOR?
Obama beats McCain 50-38
McCain/Clinton tied 46-46

Especially given we’re at war, if polls mean anything right now, McCain looks to have something to work with here.