This wasn't just any panel...Ayers was invited by Michelle and Barack spoke there:
Michelle Obama organized a University of Chicago panel about Bill Ayers's crime book in November 1997, just as the battle over the juvenile justice bill was heating up. That panel featured appearances by some of the key figures discussed in Ayers's book, along with Obama himself, who was identified in the press release as "working to block proposed legislation that would throw more juvenile offenders into the adult system." In effect, then, this public event was a joint Obama-Ayers effort to sink the juvenile justice bill-Obama's decision to plug Ayers's book in the Chicago Tribune the following month was part of the same political effort.
So...their denials don't cut it. Here is a screen shot from the University Website:
This should sink Obama. He pulled a Clinton. It’s not the original sin, although that’s bad enough. It’s the fact he’s lying to cover up his association that should sink him if the MSM do their jobs. He didn’t lie under oath, but there’s an emerging body of evident coming out that he certainly lied in statements regarding his associations with Ayers. To that snot nosed brat ended up being a player in politics in Chicago because of his trust fund. Makes my blood boil. Ayers is the worst kind of troublemaking trash.