Remember back in February when Joaquin Phoenix was on The Late Show with David Letterman and appeared as if  (a) aliens had abducted him and replaced him with the biggest doped out nerd from their planet or (b) was under the influence of some extremely heavy pain medication – most likely because his new beard was so heavy, or (c) suffered some mental trauma after staring at Reese Witherspoon’s chin while  filming “Walk the Line.” Your guess is as good …