DOW JONES NEWSWIRES U.S. Sen. Bill Nelson (D., Fla.) plans to ask the Department of Justice to begin a probe of Chesapeake Energy Corp. (CHK) for possible price manipulation and fraud, Reuters reported Wednesday, citing an aide to the Florida Democrat. Nelson's action comes as a response to a Reuters report that Chesapeake Chief Executive Aubrey McClendon ran a separate, $200 million hedge fund, trading in commodities, according to the report. Following controversy about about McClendon's use of personal shares in company wells as collateral against more than $1 billion in loans, he decided to step down from his chairman role. Full story at http://www.reuters.com/article/2012/05/02/chesapeake-doj-probe-idUSL1E8G2MNB20120502 -Dow Jones Newswires; 212-416-2900
