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 …

Dems Fight On; Clinton Wins PA Primary  —  Despite Delegate Lead, Obama Can't Seem To Lock Up Democratic Nomination  —  Sen. Hillary Clinton has won the Pennsylvania primary vote as expected, ABC News has projected.  —  Clinton has led polls in the state, and her win now fuels questions …

The Low Road to Victory  —  The Pennsylvania campaign, which produced yet another inconclusive result on Tuesday, was even meaner, more vacuous, more desperate, and more filled with pandering than the mean, vacuous, desperate, pander-filled contests that preceded it.

McCain's Peak?  —  Even with the Democratic Party locked in a fierce civil war, John McCain still hasn't pulled ahead of either Hillary Clinton or Barack Obama in national polls.  —  The Democratic primary campaign - divisive, bitter, and seemingly endless - has made many Republicans optimistic …

Today's Primary Thoughts  —  NBC's Ron Allen makes a smart point I haven't seen elsewhere: Hillary Clinton's two main campaign justifications contradict each other.  Justification number one is that Obama can't win “the big states that Democrats will need in November.”

Save Us!  —  I have to say that I'm getting really tired of this.  All the superdelegates should just say who they're voting for and bring this to the end.  If they want to back Hillary Clinton despite Obama's majority in elected delegates, they should say so.  Or if they want Barack Obama to be the nominee, they should say so.

BILL: 'I'M NOT GOING TO PLAY YOUR GAMES'  —  From NBC/NJ's Mike Memoli and NBC's Mark Murray  —  At the Jewish Community Center in Pittsburgh this morning, Bill Clinton took questions from local press after shaking a lot of hands.  NBC/NJ asked him about the WHYY radio interview …

Mighty Casey has struck out  —  Amen to that, Kathryn.  Practicing Pennsylvania Catholics (weekly massgoers, by the canonical definition) made up 17 percent of the vote in the Democratic primary.  They went 71 to 28 percent for Hillary over Obama.  Non-practicing Catholics made up 18 percent …

A Note On Pledged Delegates  —  As NBC's Chuck Todd points out tonight, Clinton's chances of winning the nomination based on pledged delegates is effectively over tonight.  —  If Obama keeps his pledged delegate lead to around 150, Clinton needs to win 70% of them on May 6 — and if not, 80% of them after May 6.

Fred's Footprint: Green fascism  —  Here is something all right-thinking liberals can agree on.  Saving the planet is good; manipulating humanity through eugenics is bad.  The trouble is that these two ethical opposites come together when we talk about population control as a means of protecting the environment.

Mitt Romney Gets Dissed at the Supreme Court  —  The Court heard oral argument today in Davis v. FEC, the case that asks whether the so-called Millionaires' Amendment of the McCain-Feingold law unconstitutionally burdens the free-speech rights of self-financing candidates for office.