From MSNBC's First Read:

*** The Delegate math: After last night’s contests, here’s where things stand: The NBC News Hard Count is Obama 1,168, Clinton 1,018. There are 53 delegates unallocated, including 19 in MD, 10 each in CO and GA, 6 in WI, 4 in HI, and one each in DC, TN, NY and IL. We estimate a conservative 27-26 split here. The Superdelegate Count: Clinton 257 versus Obama 185. That’s a grand total of: Obama 1,355, Clinton 1,276. Counting only the superdelegates he has now, plus his pledged delegates, Obama needs 65% of remaining PLEDGED delegates to hit the magic 2025 number. Reaching that is probably unrealistic, but when you add in the unaffiliated 353 superdelegates (76 of whom are not yet known yet and won't be appointed until April, May and June), his magic percentage number is down to 48%. On the flip side, Clinton needs to win 58% of all remaining pledged delegates simply to get the pledged delegate lead back. Forget 2025. And if you assume Obama wins Vermont, Wyoming, Mississippi, North Carolina, Oregon, Montana, and South Dakota, then the magic percentage number in the states Clinton wins rises to 65% -- SIMPLY TO GET THE PLEDGED DELEGATE LEAD BACK...

From Reuters:

MILWAUKEE (Wed Feb. 20, 2008) - Barack Obama has surged past Hillary Clinton to open a big national lead in the Democratic presidential race, according to a Reuters/Zogby poll released on Wednesday.

Obama also leads Republican front-runner John McCain in a potential November election match-up while Clinton trails McCain, enhancing Obama's argument he is the Democrat with the best shot at capturing the White House.

Heading into crucial March 4 nominating contests in Ohio and Texas, Obama has gained the upper hand in a close and fierce Democratic duel with Clinton. The poll showed Obama with a 14-point edge over Clinton, 52 percent to 38 percent, after being in a statistical tie with the New York senator last month.