You've sort of answered your own question Colbro. They were tackles. Nani wasn't tackling. He was trying to control a ball with a player coming in on his blindside that he then took out. He should probably get a yellow for taking the player out but that's it. And that's where the ref's understanding of the game or interpretation let him down. Speaks volumes when the Spaniards, who would normally have been all over the ref to get him sent off if there was any chance of it, weren't..