of our scheduling information online aton c-span.org.n we will go to judy, wake forest, north carolina. good evening. >> caller: good evening. thank you for c-span. depend on c-span for great programs like this. i was interested in hearing about william burke because i have a william burke ancestor but he was at the battle of bunker hill, he's not the same one. that's not my question. we noticed your lapel pin and we want to know if that's related in some way to the american revolution or the american revolutionary war, andla do you have archives that are available toto researchers? >> arsure. thank you for your question. yes, my lapel pin -- and you will see throughout the museum that six-pointed star in this design of 13 -- 13 pointed star, iss derived from a flag in our collection known as the commander in chief standard. thisn is a small blue flag with 13 six-pointed silk stars sewn to it. it descended in thek family of general washington's sister, betty washington lewis through her sons, one of whom george lewis was an officer in generae washington's life guard. this was a company of soldiers who provided sort of a securit detail for genera