A new year, a new year of theater. Though it’s not DC’s busiest month ever, there still are a few notable openings this January. » We’re pretty curious to discover How Theater Failed America, and Woolly Mammoth will be sure to tell us (Jan 7). » Reportedly the last show to be performed in the long-scheduled-for-demolition Clark Street Playhouse, Washington Shakespeare Company presents Chekov’s The Cherry Orchard (Jan. 15). » Gotta hand it to…