Lara Logan, the journalist who gained wider renown covering war-torn spots in the Middle East for CBS News, is no longer with the network and has not been for several months. The split, disclosed as the result of Logan making an appearance over the weekend on a podcast in which she suggested news consumers ought to get information from both liberal and conservative outlets, might come as a surprise to outsiders. Logan had been working for “60 Minutes” and gained a reputation for visiting dangerous locales in Afghanistan and Iraq, often embedded with U.S. armed forces. She joined CBS News...