If the bombs begin falling on Baghdad, a broad swath of the TV-viewing world will quickly become intimate with Jane Arraf, CNN's Iraq correspondent for the past four years. Arraf files her reports from the third-floor landing of a blocky white building a few hundred meters from the Tigris River, with the ancient city's minaret-filled panorama behind her. CNN shares the building with the BBC, Associated Press, Reuters, and the handful of other news organizations that have a permanent presence in Baghdad. But there's an uncomfortable fact about this building to which these tenants don't often call attention: It's the...