ABC World News 'Who Is, the show hosted by former ABC News anchor Charles Gibson, was a weekly talk and interview show which was aired every Thursday. It was a show which specifically dealt with the US 2008 elections; hence all the guests of the show were presidential candidates. The show was ably hosted by Charles Gibson, who asked questions which ranged from the political careers and objectives to the personal lives and experiences of the presidential candidates. The show therefore helped in acquainting the people of America to the candidates who were in the 2008 presidential run. The guests who appeared in ABC World News 'Who Is included Chris Dodd, Joe Biden, Hillary Clinton, John Edwards, Rudolph Giuliani, John McCain, Barack Obama, Fred Thompson and Bill Richardson. The vast experience in anchoring news shows of Gibson helped make the ABC World News 'Who Is an instant hit among US television viewers.