N.Korea, US and Italy athletes in Rio for Games

The video tutorial discusses Mr. Barlow's party, includes a personal reflection, outlines an action plan to get someone on a truck, and concludes with a final check.

What does Mr. Barlow's party refer to in the context of the dialogue?

What is the significance of the phrase 'But I do' in the conversation?

What action is suggested by the phrase 'Get him on the truck'?

What does the speaker mean by 'OK, now let's check'?

How do the different statements in the dialogue connect to each other?