Welcome back to work, Washington. Perhaps you’re struggling to focus this morning, having only barely recovered from the weekend’s Halloween festivities. Perhaps you just had a difficult time extricating yourself from your bed on this first cold morning of the year. Whatever the case may be, DCist recommends a strong cup of coffee with a dash of Rumbler to get your motor running today. The Rumbler is described as a “high-tech blaster” being used in…