EXIT POLLS: Negative Campaign Tarnishes Clinton, Obama  —  Preliminary Exit Polls Show Few Last-Minute Deciders in Pennsylvania Primary  —  Despite all the down-to-the-wire campaigning, preliminary exit poll results indicate that nearly eight in 10 Pennsylvania voters made up their minds …

On the Verge of a Stunner in Pennsylvania?  —  Hold on to your hats.  I've gotten the usual word of the exit poll results from one of my usual reliable sources.  He notes that Obama traditionally over-performs in the earliest exit polls, and that he expects the numbers to change as the night wears on - perhaps a reversal.

LIVE BLOGGING PENNSYLVANIA EXIT POLLS AND VOTE RETURNS  —  I will be live-blogging here starting very soon on what the exit polls will have to tell us about the exit polls.  More details to follow, but please feel free to use this as an open-thread on what is appearing on the net and elsewhere on the exit polls.

Clinton Outduels Obama in Primary  —  Senator Hillary Rodham Clinton scored a decisive victory over Senator Barack Obama on Tuesday in the Pennsylvania primary, giving her candidacy a critical boost as she struggles to raise money and persuade party leaders to let the Democratic nominating fight go on.

The Bruising Will Go On for the Party  —  For better or worse — and many Democrats fear it is for worse — the race goes on.  —  Senator Hillary Rodham Clinton defeated Senator Barack Obama in Pennsylvania on Tuesday by enough of a margin to continue a battle that Democrats increasingly believe …

Obama Shifting Focus From Clinton to McCain  —  EVANSVILLE, Ind. — Senator Barack Obama opened the next phase of his presidential campaign here Tuesday evening, seeking to turn his focus away from Senator Hillary Rodham Clinton and persuade party leaders that time is running out for Democrats …

Why Clinton won Pennsylvania  —  For all the campaigning and money spent, Hillary Rodham Clinton won Pennsylvania with the same base of white women, working-class voters and white men that revived her candidacy in Ohio last month.  The demography that has defined the Democratic race went largely unchanged, according to exit polls.

Clinton on Obama: “Why Can"t He Close the Deal?  "  —  From CBS News' Fernando Suarez:  —  CONSHOHOCKEN, PA. — Hillary Clinton said if Barack Obama does not win Pennsylvania despite his huge campaign war chest, people ought to ask the question, “Why can't he close the deal?”