Jeff Glor kicks off new "CBS This Morning: Saturday" co-host role with report on Cuyahoga River
Thousands of people plan to gather in Cleveland on Saturday to mark the 50th anniversary of a fire that sparked a nationwide environmental movement. New "CBS This Morning: Saturday" co-host Jeff Glor went back to Ohio to examine what happens after the heavily-polluted river started burning. Tune in to "CBS This Morning: Saturday" on June 22 for more of Glor's report on the Cuyahoga River and its transformation.