If you're going to go "ecumenical", Dude, go all the way. Where are the chief rabbis and imams in that photo? They, too, supposedly believe in the God of Abraham.
Rabbis and imams don't have valid orders. Only a heretic would deny this of the Orthodox. Their apostolic succession's every bit as authentic as Rome's, and has always been considered so. How can you not know this and call yourself Catholic?