 Welcome to Washington Today on C-SPAN Radio for Friday, June 28, 2024. Day after the first presidential debate of the year, President Joe Biden heads to Raleigh, North Carolina, and former President Trump to Chesapeake, Virginia. The Supreme Court overturns a 40-year precedent that told federal courts to follow the opinions of experts in federal agencies when evaluating regulations that are not clear, what was known as the Chevron Deference.