Please answer the following question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: Why did Joseph and Shirley Wershba have to hide their marriage? Movie plot title: Good Night, and Good Luck. Movie plot: The movie begins on Oct. 25, 1958, at a fancy dinner tribute to Edward R. Murrow (David Strathairn). Its the usual gala affair, everyone is dressed up and looking expensive. Ed Murrow is introduced as a hero who fought against McCarthyism. Ed comes out and proceeds to make a speech about how journalism has become occupied with presenting only good news and how journalists have succumb to escapism, losing touch with the real world. This attack makes the audience uncomfortable and Fred Friendly (George Clooney) looks like hes having a good time.Flashback to 1953. Joe Wershba (Robert Downey Jr.) and Shirley Wershba (Patricia Clarkson) are alone in the copy room; someone walks in and jokingly asks what people might think. Joe takes Shirley aside and tells her about a loyalty (to McCarthy or the government) oath she must sign, or he may get fired. After some thought, she agrees and they kiss.The newsmen are in a conference room, trying to decide news pieces for the next show. People mention some McCarthy related topics, but are immediately shot down given the controversy involved. Someone brings up the topic of an air force officer in Chicago, who was dismissed from the air force because his father was deemed to be a communist or have communist ties. At his trial, all charges and evidence were in a sealed envelope, which no one saw. The Air Force Officers rights to a fair trial were clearly violated, as he didnt even know the charges against him and was found guilty anyway. The newsmen are reluctant to pursue this, afraid of a backlash from McCarthy. They agree to send two people to Chicago to get some footage and decide from there. Later, the crew is watching footage of the Air Force Officer saying that he would not want his kids to be persecuted for the affiliations of their parents and have to denounce their own father. Ed, Fred, and a third man, are in a room, trying to decide whether to run the piece. Ed is completely for it, while the third man is opposed, mentioning their sponsorship from Alcoa, who is...
A:
It's against company policy