We thought they were a thing of the past, but bed bugs are back-and with a vengeance. Rates of bed bug infestations have skyrocketed in the last few decades. And because the little bloodsuckers have been off the radar for so long, most people have forgotten how to deal with the pests. Kevin and Brent Youngblood, founders of San Francisco's bed bug detection service Scent Tek, have plenty of experience with bed bugs. In How to Prevent the Attack of...