Trump refused to unveil Obama's White House portrait after the former president criticized his handling of the COVID-19 outbreak. Here are 8 other famous presidential feuds in history.

3:03am PDT - May 24th, 2020    ulysses s. grant - Business Insider

  • Earlier this week, President Donald Trump reportedly refused to host a White House ceremony to unveil former President Barack Obama's official portrait. 
  • Trump and Obama have traded barbs in recent weeks, particularly over Trump's handling o…