U2 releases acoustic version of protest song

(ROUGH CUT - NO REPORTER NARRATION)<br/> <br />STORY: U2 has released an acoustic version of one of their classic hits in support of The ONE Campaign - an advocacy organization working against extreme poverty and preventable disease.<br/> <br />U2 released a new acoustic version of their song, "Sunday Bloody Sunday," the opening track from their 1983 album "War." The release is part of ONE's 'agit8' - a global music campaign featuring more than 50 artists rerecording classic protest songs. Others that have taken part include Green Day, Kid Rock, and Mumford and Sons.