Holiday travelers are getting a lot of travel tips, including how to check for bedbugs.  To avoid transferring the pesky critters from the hotel to your holiday gatherings, Terminix experts urge travelers to check headboards, mattresses and box springs for dark blood spots the bugs leave behind and request a different room if you find anything.  You should also hang all clothing instead of unpacking it into hotel furniture.  The top three cities on the infestation list are New York City, Cincinnati and Detroit.