Sal Pellingra ITASCA, ILL. — Most of us have struggled to squeeze out the last few drops from a packaged consumer good. But did you know that 60 percent of consumers admit they made a mess? Or 18 percent reported farting noises from their bottles? Sal Pellingra knows. Consumers hate wasting products they buy more than going to the dentist, he said at the Plastics Caps & Closures Conference. Pellingra is...