"There it goes!" he said. He swung his camera up, following the movement of the flag, and pressed the button that took the picture.

VOA: special.2010.05.31

He said his son then pressed the button and then asked to be laid down.

BBC: NEWS | UK | Wales | Dad tells of son's assisted death

He was referring to earlier comments from a top Romney adviser, Eric Fehrnstrom, who said his campaign will "hit a reset button" to take on Obama in the fall if Romney wins the GOP nomination.

CNN: STORY HIGHLIGHTS

And Button said he was relishing the prospect of working with - and against - his new team-mate.

BBC: Hamilton challenge excites Button