So far, export levels are about halfway to his mark.Obama set the five-year target in his January 2010 State of the Union address and recently has picked up his drumbeat, telling his export advisory council last month the nation was "well on our way" to his goal. "The question now becomes: How do we sustain this momentum?" While economists and industry leaders generally expect the ambitious target to be missed, impressive gains already booked in American manufacturing and exporting suggest such a miss may not be by that much. ___ Possible deal could cut ex-Enron CEO's sentence HOUSTON (AP) â¿¿ A possible agreement that could reduce the prison sentence of former Enron Corp. CEO Jeffrey Skilling for his role in the collapse of the once mighty energy giant is being discussed, according to the Justice Department. The possibility of a sentencing agreement in the case was made public this week in a notice to victims of Enron's collapse. The notice did not specify how Skilling's sentence could be impacted if an agreement is reached. Skilling has been in prison since December 2006. He is currently serving his sentence in a low-security facility outside of Denver. ___ MF Global trustee criticizes Corzine, executives WASHINGTON (AP) â¿¿ A trustee overseeing MF Global says a risky trading strategy and "negligent conduct" by former CEO Jon Corzine and his top managers contributed to the brokerage firm's collapse in late 2011. A report issued Thursday by the trustee, former FBI director Louis Freeh, said Corzine and his team ignored the advice of MF Global's chief risk officer regarding trading strategy. The report said they also failed to fix gaps in the firm's system for monitoring its cash flows and customer funds. ___ Walgreen clinics expand care into chronic illness Walgreen Co. has stretched the reach of its drugstore clinics beyond treating ankle sprains and sinus infections to handling chronic diseases such as diabetes, asthma and high blood pressure.