The administration of U.S. President Donald Trump is waging a campaign against Harvard University, the country's oldest and richest school, across multiple fronts, including funding freezes, investigations and threats to the school's tax-exempt status.

The US president's ramped-up threats are seen by many as an attempt to reshape a stronghold of the left. Could he succeed?

Since regaining the White House, President Trump has been fixated on making an example of those who push back against him.