'We are screwed': Virologists warn about disease they say could become the next pandemic

A new report from PBS highlights the potential danger of bird flu turning into a full-blown pandemic in the United States.

In particular, PBS spoke with several experts who said the United States has been behind the ball when it comes to keeping a handle on the pandemic and they point to the fact that the United States Department of Agriculture has only recently started testing milk nationwide for bird flu contamination.

"It's disheartening to see so many of the same failures that...