Philly's Skyline Goes Dark to Prevent Mass Collision Event: The Lineup

More than 1,000 birds died last year when they slammed into Center City skyscrapers during migration. Scientists say they were drawn to the building’s lights. Now, the skyline is going dark to protect the birds. We Explain. Plus, welcoming home the Phillies, and the most popular Easter candy. This is The Lineup for Thursday, April 1, 2021.