On this December arts show: the story behind " Uplift ," a new exhibit that's inspired by ladders, and a local science fiction writer on her book, which takes place in the aftermath of the second civil war in the United States. Plus: pajamas and punk rock at the museum? The Nelson hosts a pj party for grown-ups, featuring the music of The Architects. We catch up with drummer Adam Phillips ... and talk about fuzzy onesies. Guests: Kevin McGraw , artist Christine Shuck , author, Gliese 581: The