I am a big World Cup fan but I have to admit, this is pretty rediculous. Come on FIFA, get with it. I think the solution is so simple. Just use the 4th referee (which they have anyway just in case something happens to any refs) and have him in front of a TV. When there is a controversial call regarding goals, then the ref should be able to see the play as it happens, or be able to rewind it a few seconds, and make the right call nullifying the main ref. This can be used for only goals, or perhaps some offsides that may result in goals, and it can be quick, like 10-15 seconds as the event happened. Also, I think red cards and second yellow cards should be rescended after games when it's clear flopping, and give cards to the flopper.