Alfredo Jaar is displaying three of his exhibits inside Zilhka Gallery. Posted 11/05/07 Is a media giant like Newsweek able to shape public opinion by defining what is newsworthy? This is one question internationally acclaimed artist Alfredo Jaar leaves for his audience to answer in a current exhibition in Zilkha Gallery. Jaars exhibition is on display in Zilkha Gallery through Dec. 2. He will present an art seminar at 4:15 p.m. Nov. 6 in Zilkha 106 and a music colloquium at 4:15 Nov. 7 in the Music Department. Through a straightforward photography installation that addresses the media coverage of the…