President Donald Trump told the U.S. Coast Guard Academy's graduates on Wednesday that they show "unbelievable heroism and exceptional selflessness" but that the cadets will "be tested further" as they embark on their military careers.

Only about a third of Americans now believe a four-year college degree is worth the cost. Increasingly, students and families are questioning it too. As many colleges across the country face shrinking enrollment, more than 60 institutions are now offering students a faster path to graduation. Fred de Sam Lazaro reports as part of our series, Rethinking College.

This year, professors Kristina Guild Douglass and Michel Sadelain will both hold the ceremonial role.