TEXT: H.J. Heinz Co. CEO William Johnson, left, and 3G Capital Managing Partner, Alex Behring, speak at a news conference at the world headquarters of the H.J. Heinz Co. in Pittsburgh. A sluggish economic recovery, pricey stock evaluations and fears of more gridlock in Washington have stalled deal activity in 2013. Berkshire Hathaway and 3G Capital acquiring Heinz is one of the few big deals this year.