Composer and former bassist and singer of British rock band Pink Floyd, Roger Waters, looks at a section of Israel's separation barrier in the West Bank refugee camp of Aida in Bethlehem, Tuesday, June 2, 2009. In an interview with The Associated Press, Waters denounced the wall as a land grab by Israel, said it must come down and promised to hold a concert on that spot if it does. AP Photo logo AP Photo 6 months ago

Composer and former bassist and singer of British rock band Pink Floyd, Roger Waters, looks at a section of Israel's separation barrier in the West Bank refugee camp of Aida in Bethlehem, Tuesday, June 2, 2009. In an interview with The Associated Press, Waters denounced the wall as a land grab by Israel, said it must come down and promised to hold a concert on that spot if it does.