Mark Eichmann reports from Mitt Romney’s campaign stop in Wilmington, Delaware. A day after a deadly warehouse fire claimed the lives of two Philadelphia firefighters, Elizabeth Fiedler talks to Kensington community members about their concerns over unsealed abandoned buildings in the neighborhood. Carolyn Beeler reports on an effort to help kids catch up on their vaccinations. Dave Davies talks with Chester County businessman Steve Welch about his run for U.S. Senate on the GOP ticket. Jen Howard visits a business incubator in Langhorne that’s giving startups a chance. And as high school seniors get those envelopes from the colleges of their choice, That’s History’s Jon Zimmerman remembers a time when not all races or religions were welcome at certain colleges.