This week's Group of Eight summit again brings together a handful the world's most powerful leaders, with plenty on their agendas: How to solve Syria's civil war; how to curb corporate tax-dodging; and how to wave in unison.
That last one's not a typo.
How and when to wave seems to have no consensus among the leaders of the free world. Just watch them struggle to perform a group act even a kindergarten class could handle:
See more of the G-8 leaders' mixup in the slideshow below: