By Leah McGrath GoodmanRumors of the death of the euro may be greatly exaggerated, but several players are positioned for its run at ruin. Taking that bet has been complicated, however, as the 16-nation euro zone lurches into damage control mode.Germany is slapping bans on certain types of naked short trades and lambasting what it sees as the speculative abuse of credit default swaps on government debt, which it cannot ban. Greece, the progenitor of the sovereign debt crisis that is wracking the continent, has barred hedge funds from participating in its bond sales. In response, many traders are simply shrugging and turning to less controversial ways of betting on the euro’s near-death experience by simply shorting the euro.That’s not because the bans have been effective. To the contrary, most portfolio managers point out that the restrictions have done little more than exacerbate the selling panic that’s pushed the euro...