Ask Bing: My boss slapped a co-worker

US mortgage boss denies any blame
US mortgage giant Fannie Mae did not cause the crisis in the housing market, its ex-boss tells a Congressional committee.

Qantas boss says BA deal in doubt
Qantas warns that merger talks with British Airways could fail because of BA's potential tie-up with Spain's Iberia.

Microsoft ends Yahoo buyout talks
Microsoft's boss tells the firm's annual general meeting that it is no longer looking to buy Yahoo.

Jerry Yang to quit as Yahoo boss
Jerry Yang, the co-founder of Yahoo, is to stand down as the internet portal's chief executive officer.

Chrysler calls for cash lifeline
The boss of struggling US car firm Chrysler warns it would be "very difficult" for the company to survive without government support.