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Three things to know: Con men - and women - have been around for as long as we\\u2019ve been around. So why do we keep falling for their tricks? Maria Konnikova explains the science of the swindle. There\\u2019s no international law on time zones or daylight savings. And the result? Chaos. But Steve Hanke has a simple solution: universal time. Flint, Michigan, was just the beginning. Marc Edwards says that our country is relying on a network of very old pipes, many of them lined with lead.