President Donald Trump (U.S. Air Force photo by Airman 1st Class Spencer Slocum)ATLANTA - While election officials in Georgia were verifying signatures on absentee ballot envelopes in one metro-Atlanta county, President Donald Trump pressed a lead investigator to "find the fraud" and said it would make the investigator a national hero.The December call, described by a person familiar with it who spoke on the condition of anonymity in order to describe the sensitive nature of the discussion, is yet another link in the chain of the extraordinary pressure campaign waged by Trump on state officials as he sought to overturn the results of the November election, which he lost to Democrat Joe Biden.It is one of at least three phone calls, held.