No Call List

Missouri Attorney General Chris Koster and Indiana Attorney General Greg Zoeller talk to reporters on Thursday in Brentwood about the No Call List's limitations.
Jason Rosenbaum | St. Louis Public Radio

Missouri Attorney General Chris Koster warned that technology advances have made it more difficult to clamp down on annoying phone calls. He convened a conference on “No Call Lists” in Brentwood. Missouri was one of the first states to implement such a list, which quickly spread across the country.