Bitcoins: I'd buy that for a dollar

I don't get bitcoins. I'm not saying they're a scam. I just don't get them. For the uninitiated, bitcoins are a made-up digital currency not backed by the full faith and credit of any government. They're worth only what users say they're worth. And they seem to be growing in popularity (except in China, which says it wants nothing to do with them). ASK LAZ: Smart answers to consumer questions Fred says he doesn't have any bitcoins. But if he did, he wants to know if he could exchange them for real dollars. For the answer, check out today's Ask Laz video. If you have a consumer question, email me at asklaz@latimes.com or contact me via Twitter @Davidlaz. Copyright © 2013, Los Angeles...