As the song goes, ’tis the season to be jolly. So here’s a couple of entertainment choices to make the final days of 2014 merry and bright. Sarah Ruhl is one of America’s most talented and prolific playwrights. A native of Wilmette, she has 14 successfully produced plays to her credit. Each unique work is filled with a mix of realism and fantasy. Ruhl is funny in a mysterious way that has you laughing throughout and wondering, as you leave the theater, what it was that you found so humorous …