"The White House response to a petition on building a Death Star (and the resulting media attention) led to some pretty interesting data here at NASA.gov. While the petitioners wanted to focus on a big project done a long time ago in a galaxy far, far away, the response led to thousands of Americans finding out about projects NASA is currently working on right here on Earth and in our Solar System."
White House Deletes Death Star Funds from NASA's FY2014 Budget, Earlier post
Hey - Let's Make NASA Build a Deathstar! (Update), Earlier post
Marc's note: Jim Wilson points out the upside of the failed petition, increased awareness.
"In November 2012 the people asked for a death star. The government said NO! In light of continuing threats we should build it ourselves."