The Explorers Club
New York City Center Stage I, Manhattan Theatre Club, Off Broadway By Regina Robbins BOTTOM LINE: You will laugh. You might even ooh and ahh. Then you will get on with your life. The Explorers Club is among the silliest plays I've ever seen. This is not a criticism. It's pure comedy, and nothing else. Literally nothing. Social and political issues -- such as women's rights, imperialism, and science vs. relig…