Israel denies eavesdropping on the White House

Israel has denied reports that it was responsible for an operation to eavesdrop on the White House. Devices capable of monitoring cell phone calls were found around the White House and other sensitive locations two years ago. Sources cited by Politico now say the evidence points to Israeli responsibility. So just how often do friends spy on other friends? Host Marco Werman speaks with The World’s history guy, Chris Woolf.