Russian President Vladimir Putin is no longer the most popular person in Russia, with citizens searching for information about his ally—Wagner Group boss Yevgeny Prigozhin—twice as often in the month of May. Last month, as a public feud between Prigozhin and Russia's ministry of defense intensified, Russians searched for information about the man nicknamed "Putin's chef" far more than the leader of the country, independent Russian news outlet Verstka found. Prigozhin, who earned his nickname thanks to his catering contracts with the Kremlin, poured his Wagner fighters for months into the city of Bakhmut in eastern Ukraine. He was viewed...