United Continental United Airlines CEO Jeff Smisek steps down amid probe United Continental Holdings Inc (UAL.N) said on Tuesday Chief Executive Jeff Smisek had stepped down... Sep 08, 2015 08:52 PM EDT United, American owe World Trade Center developer billions: lawyer The developer rebuilding the World Trade Center in New York told a federal appeals court on Wednesda... Jan 14, 2015 10:27 PM EST