Officials in Texas rejected a request for clemency in a controversial case Wednesday. Robert Roberson would be the first person in the U.S. to be put to death for a murder linked to shaken baby syndrome. Some experts say his conviction was based on faulty, outdated scientific evidence.
"Callout rates are one of many factors that help to inform our security footprint at every single airport, but again I can tell you, this is going to get worse before it gets better, particularly if w...