Even these mega-mansions in some of America's wealthiest neighborhoods are not immune to the housing crisis.
|British American Tobacco buying Camel owner Reynolds for $49B|
|World to Davos: 'Work for the people'|
|Despite Trump's latest threat, BMW won't budge on Mexican plant|
|Chinese President Xi Jinping: No one can win a trade war|
|Premarket: 7 things to know before the bell|