European Federalists

Not in the conventional sense.

However, the odds can be in your favor if you have a non-linear utility function for the money.

So, say you don't value $2 twice as much as $1, but three times as much or something. Then playing might be a winning move.

Basically the plot in Run, Lola, Run. The protagonist needs a large sum of money immediately or her boyfriend dies, plays roulette.