The Last Monday Before the First Tuesday of the Rest of Our Lives

Only one day to go until the Pennsylvania primary. As Obama stepped up his offense over the weekend, Clinton went to bat in Obama territory: a student crowd. But both campaigns have been struggling in to gain ground in each others' strongholds... Will Obama's April 5-1 cash advantage over Clinton pay off? Meanwhile: Washington-based political volunteers are hitting the pavement in PA's small towns, as officials get ready for 8.3 million voters they expect to head to the polls.