President Trump's nominee to head the Centers for Disease Control and Prevention is getting ready to appear before Congress. The Senate is being asked to confirm Dr.

The Trump administration appears to have reached a bridge too far. On Thursday, the White House withdrew its nomination of former Florida congressman and physician Dave Weldon to take charge of the Centers for Disease Control and Prevention.

Dave Weldon is likely to be questioned about measles infections, a plan to study a debunked link between vaccines and autism, and the ongoing bird flu outbreak.