A Miami congresswoman is pressuring National Public Radio stations, the cable television network CNBC and others to stop airing sponsorships and advertising by a giant German insurer that collaborated with the Nazis. U.S. Rep. Ileana Ros-Lehtinen, who is pushing legislation that would allow Holocaust survivors to sue Allianz AG, has launched a letter-writing campaign aimed at blocking the insurer from advertising with any U.S. media until it pays off all Holocaust survivors’ life insurance claims. During World War II, Allianz insured concentration camp facilities and sent money to the Nazis instead of rightful Jewish beneficiaries. “Allianz is no ordinary insurance...