Obamas greet APEC leaders for dinner at summit

The transcript consists of a brief statement, likely part of a larger conversation or explanation.

What emotions or feelings do you think are conveyed by the phrase 'But yeah, yeah, yeah'?

In what contexts might someone use the phrase 'But yeah, yeah, yeah'?

How does the repetition of 'yeah' affect the meaning of the phrase?

What might be the speaker's attitude when saying 'But yeah, yeah, yeah'?

Can you think of a situation where this phrase would be appropriate to use?