The MIT economist credited with crafting President Barack Obama’s national health care overhaul law has reportedly started work on his latest venture: a comic book that explains the law in the simplest of terms. Jonathan Gruber, a health economist who devised Obamacare’s economic structure, says his children inspired him to use the comic format to explain the law to Americans in plain language. “I’m going to use the facts to tell the story,” Gruber, 45, said Monday. “I’m the narrator guiding the reader through the law. It’ll have lots of pictures and text.” According to the Boston Herald, the publishing...