Reuters: BP Plc on Wednesday denied a report its heavily criticized chief executive would soon leave, after the company lined up $7 billion in asset sales to help pay for the worst oil spill in U.S. history. CEO Tony Hayward had the full support of the board and would stay in office, a BP spokesman told Reuters, dismissing a report in the Times newspaper that he would step down within the next 10 weeks. Hayward has been roundly criticized for a series of PR gaffes and a failure to …