Let's first get this out there: Major studies have been done trying to find a link between childhood vaccines and autism and they have not found any connection. Still, thousands of families argue that their child's autism was caused by a vaccination... or more specifically, a mercury-rich preservative that used to be found in many vaccines called thimerosal. And this week, they get their day in court... a special federal vaccine court, that could give families access to compensation. There are so many questions flying around out there about this, so today we grabbed two experts, and will take your questions about the debate over autism and vaccines. Post them here, and we'll ask the experts in a Q&A...

12:51 - June 14, 2007