Ferrick Answers Key Questions. Delegates on Ballots Explained. Committee of Seventy comments in CSM.

One day until the PA primary. The presidential and state races are tight.

On the Committee of Seventy site today, Tom Ferrick handicaps the presidential and local races and answers some outstanding questions. In the Daily News "Clout" column today, Gar Joseph offers an A to Z overview of election issues (and one-liners).

Pennsylvania "may turn on Philadelphia and the 'burbs," in case you didn't know that, reported the Christian Science Monitor on Sunday. Committee of Seventy CEO Zack Stalberg comments in the article on the apparent enthusiasm for Barack Obama in the "industrial metropolis" (that's Philly). The CSM has a cool, interactive, national demographic map here.

The ability to vote for individual delegates who are committed to Clinton or Obama is confusing, as the Inquirer reports today. But what matters is which presidential candidate you select. That will determine how many delegates for each candidate travel to the convention. The Inquirer has a graphic on the delegate process here.