Not anytime soon. You're most likely good to go. As a US citizen, you wouldn't need a visa to travel around the EU. Yugoslavia doesn't exist anymore, by the way. Some people from the Balkans might get mad at you ;)
haha I know. My point is that in this case we need to be more specific, because I don't know what the visa requirements for Bosnia are compared to, say, Croatia or Macedonia. While it's the same area, their migratory policies might be different now that they're independent.