Everybody likes a nice comeback story: The 1951 New York Giants, The 2004 Boston Red Sox and, most recently, the 2010 chemical industry. Despite an economy that remains sluggish overall, a majority of senior executives in the chemical industry expect their companies to be back to pre-recession revenue levels by the end of this year, and four out of ten expect their companies to be involved in some sort of merger-and-acquisition activity within the next 12 months. However, the bad news is that...