The tennis star's visa was revoked on public interest grounds three days before the Australian Open is to begin.
Gov. Asa Hutchinson has hit the road, meeting face-to-face with residents to try to overcome vaccine hesitancy — in many cases, hostility — in Arkansas.
Makes you think, doesn't it?
HuffPost Science Correspondent Cara Santa Maria speaks with Seth Mnookin, author of "The Panic Virus," about the vaccine autism controversy and why it continues to persist.