Summary: The nation's $1.4 trillion student debt burden doesn't just fall on young graduates -- it's affecting older Americans, too. The number of people age 60 and older with student loans has quadrupled in the last 10 years. PBS NewsHour Weekend's Megan Thompson reports on seniors who are struggling with loans as they approach retirement. This is part of an ongoing series of reports called 'Chasing the Dream,' which reports on poverty and opportunity in America.
