https://www.dailymail.co.uk/news/article-12543149/Biden-appears-wander-stage-without-shaking-President-Lulas-hand-end-joint-speech-leaving-Brazilian-leader-visibly-irritated-minutes-President-walked-flag-podium.html
'Can you hear me President Biden? This is an historical moment for Brazil, and for the US,' Lula said at the start of his speech.
'President Biden can you hear me?' Lula asked again, appearing to lose patience as Biden grunted in response. 'You can?' he asked, turning to Biden. 'Yes, good.'
Biden continued to look confused as he grappled with the headset while Lula went on with his speech. At one point Biden dropped his earpiece and raised his eyebrows in frustration
“He has brought decorum and yes, decency back to the White House”
-redhawk