Well I finally took a look at the entire benefit concert to see what you guys are talking about:
OK, Let me tell you that this is George HW Bush at his most weak physically, he was at times unable to even clap to what the other presidents were saying. And there is this particular moment (first picture) that, had it been any other individual that night, would have been considered an insult to the flag.
But mentally, he was still as sharp as ever, he was aware of everything, especially to the five (!) standing ovations he received . There was one particular cute moment where the MC of the ceremony made an allusion to his library, and he raised his hand as to say "I'm the Bush he's talking about".
It's also nice to see Clinton wheeling old Poppy Bush away. It was also great that he spoke on his behalf. Just shows how much they have become good friends and almost like father and son over the years.
His sock game is also as strong as ever!
PS: One thing you guys forgot to mention: mother Barbara was using an oxygen tank for the first time, and it's never a good sign. She just HAS to be on next year's Deathlist.