By — Frank Carlson Frank Carlson Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/painting-overpasses-stadiums-graffiti-artist-evolving-art-form Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Watch Watch the Full Episode PBS NewsHour from Jul 18, 2014 By — Frank Carlson Frank Carlson Frank Carlson is a general assignment producer at the PBS NewsHour, where he's been making video since 2010. @frankncarlson @frankncarlson