Even these mega-mansions in some of America's wealthiest neighborhoods are not immune to the housing crisis.
|Facebook and Microsoft are building a giant cable under the sea|
|Premarkets: 4 things to know before the open|
|World leaders: Brexit is a 'serious risk to growth'|
|North Korea-linked 'Lazarus' hackers hit a fourth bank in Philippines|
|Weighed down by characters, 'X-Men: Apocalypse' doesn't take off May 26|