Petro O. Poroshenko, the billionaire businessman who won Ukraine’s presidential election on Sunday , was portrayed last month in a bilious campaign profile on Russian television here as money-grubbing, devious, a radical sympathizer — in short, a run-of-the-mill Ukrainian politician to Russian eyes. The program on NTV, a Kremlin ally, said he owned a mansion resembling the White House, clear evidence of dangerous Western sympathies. The report mocked him as “The Chocolate Rabbit,” twisting his usual nickname, “The Chocolate King,” from his confectionary fortune. A scientist, or at least someone wearing a white coat, materialized on screen to denounce his popular Roshen chocolate brand as riddled with carcinogens. Then as Mr. Poroshenko emerged as the front-runner, a change occurred. The attacks ceased, and his chocolate factory in southern Russia, which government police had shuttered , was allowed to operate again. President Vladimir V. Putin of Russia even […]