Veteran Iowa pollster Ann Selzer — whose stellar track record is currently in question after a bizarre Hawkeye State poll that found Kamala Harris leading Donald Trump by three percentage points — was confused over what “D” and “R” meant in her own cross tabs.While Selzer’s poll has long been viewed as the gold standard in Iowa, her latest presidential poll is turning heads after the bizarre result. If Selzer’s result proves accurate, Iowa would have shifted 11 points to the left in one election cycle, when Trump carried the state by eight percentage points. The poll also found Harris...