The less-than-truckload (LTL) carrier YRC Worldwide on Friday said it turned an operating profit in 2012, the first time in six years the company has done so. YRC had operating profits of $24.1 million in 2012, a $162.4 million improvement from 2011. Revenue, at $4.9 billion, was 0.4 percent lower than in 2011. "Our year-over-year operating improvement is primarily due to our focus on customer mix management, pricing discipline, productivity improvements, and a decrea...