You’re never too old to be a hero – not even if you’re 97 years old. Bill Grun of Doylestown, Pennsylvania was given the birthday wish of a lifetime when firefighters from the Doylestown Fire Company No. 1 showed up at his retirement home. style=”display:inline-block;width:300px;height:250px” data-ad-client=”ca-pub-8420654331411867″ data-ad-slot=”1313712966″> The civil servants offered Bill a position on the…