WASHINGTON (CNN)-- What a long, strange trip Barack Obama's first full day as president ... where Roberts flubbed a line in the oath of office, leading to this comical scene, via transcript ...

Roberts flubbed former President Barack Obama's first oath of office in 2009 by reciting the oath incorrectly, prompting the need for Obama to take the oath a second time in a private ceremony at ...

Barack Obama has been sworn in as the 44th president ... and that actually the reason Mr Obama's repetition of the oath of office was different was because Mr Obama was using the correct words.

In 2009, President Barack Obama retook the oath after he said one word out of President Trump took the oath of office, administered by Chief Justice John Roberts, without his hand on his Bible.