Hundreds of toxic sites still await cleanup

In 1980, the Congress approved the Superfund program, generating money to clean up the country’s most hazardous toxic sites by imposing a tax on industries that polluted the most. Since 2000, the program’s purchasing power has declined by 40 percent and over 1,300 sites still need to be cleaned up. Katherine Probst, who has analyzed the program, joins Megan Thompson for more.