To some people, Barack Obama is just a hard guy to figure out. He won’t fit easily in the usual mental pigeon holes, and that gets frustrating. Just this week, Rush Limbaugh referred to the president as “a half-black, half-white human being with no experience running anything of substance.” I have no idea what made that “half-black, half-white” thing relevent. But apparently it’s an important observation, at least in Rush’s World. Then there’s the matter of Obama’s religion. Over at Politico, they noted that “Barack Obama invokes Jesus more than George W. Bush.” “In his speech Thursday in Cairo, Obama...