Guide dogs perform extraordinary tasks for their visually impaired owners every day. But one thing they can’t do: judge 6 feet between other humans. KYW Newsradio’s John McDevitt explains.

<p>Guide dogs perform extraordinary tasks for their visually impaired owners every day. But one thing they can&rsquo;t do: judge 6 feet between other humans. KYW Newsradio&rsquo;s John McDevitt explains.</p>

The latest news around the Philadelphia region from KYW Newsradio.
 
 
 

Advertisement