I honestly dont think the USA is the problem, I could be wrong but something tells me the vast majority of poached ivory is going to China. So really, whether it gets banned in the USA will probably not have much of an effect on the slaughter of elephants that is currently being perpetrated. There are warehouses full of ivory in China, entire marketplaces full of ivory trinkets in the mid-East. The problem is such that elephants will likely cease to exist in the wild in years to come. The same with rhino.
The bottom line is man is a rapacious destroyer and most are without conscience. He will plunder this earth until there is nothing left to profit from. The real problem is that all this wonderful wildlife is found on a continent that is poor as dirt, wracked with corruption and beset with never-ending conflict. That just makes it so much easier for the scum who trade in wildlife and their by-products to operate without fear. Despite this grim scenario it heartens me that so many people here are 'for' the elephants and wild things in general. Only when people realise that all it takes for evil to succeed is for good men to do nothing will we have a hope of preserving at least a small amount of the wildlife that is left on this planet.
The bottom line is your choice can make a difference, no matter how small. Enough people get together to say NO to wildlife by-products and we can change what seems inevitable. Its not just ivory, I see elephant hide knife pouches and wallets being sold all the time on forums and ebay. Whether it be shark fins, rhino horn, ivory, turtle shell, lion whiskers and claws, tiger hides, whiskers and claws, bear bile, hide and claws, the wild pet trade... the reality is that humans profit from animals and 99% of the time it means that that animal had to die, or be separated from its family, just so some scumbag could make money. Its sickening. And just for the record, I am not anti-hunting - I am anti-poaching. There is a vast difference!