Former President Barack Obama tore into his successor Donald Trump in private as an “idiot” and a “liar,” a secret diary has revealed. Dr. Anthony Fauci and Donald Trump frequently clashed and gave opposing views about how to respond to the COVID-19 pandemic. Leah Millis/ReutersThis included Donald Trump Jr. selling merchandise such as T-shirts and sweatshirts on his website featuring the slogan “Fauci Kills Puppies.” Donald Trump Jr. gleefully promoted the anti-Fauci merchandise on social media. “But [Obama] went on to say that Donald Trump was a hopeless idiot who was a pathologic liar,” Fauci added.