By David Savastano Editor Photo by Andy Teng. While the ink industry waits for clear signs that the printing industry has turned the corner, there have been areas that have generated strong growth in recent years despite the downturn in the U.S. economy. In particular, the flexible packaging industry has done extremely well. It should come as little surprise that the inks being used on these packages, whether they are stand-up and retort pouches or shrink s...