Being the only French here (as far as I know... or else, now would be a good time to give me some backup on this), I have a few things to say.
First, I won't be mean enough to start with the typical yet very annoying rub-it-in-your-face triumphant laugh. I really feel for the Irish, I would have loved to see them in the World Cup had they faced another team.
It's always hard to lose a match with such pressure on a imaginary penalty or a blatant offside goal, etc... but it happens all the time, it's happened to our team so often (Lloris's red card & the penalty against Serbia for instance), it's part of the game and I dare say, it's part of the fun, arguing about who would've won if it hadn't happened, etc...
Without this goal, I'm pretty sure France would have won anyway. It was obvious the Irish were only relying on guts and were burnt out, a few more runs by Anelka would have ended in goal at some point.
Also, before this goal, France won a very difficult match at Croke Park, which is quite something, so don't say we didn't deserve to qualify for the World Cup.
And I'm also convinced that we should have got a penalty a few minutes earlier as the goalkeeper clearly grabbed Anelka's foot with his opposite hand (which in my book is clearly intentional). I'm sure some of you will disagree, but that proves my point: talking about football would be less fun without all this...
I forgot: don't blame Henry... He just did what ANY football player would've done, just like any player would have dived to get a penalty in other circumstances. Yes, it's not very classy, but it's something all the players do. That doesn't make it right, but it's still too common for anyone to blame Henry.
Translator for Pix'n Love Publishing:
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Gunpei Yokoi biography (Q2 2012)
The History of Mario (Q2 2012)