He became host of Frontline USA for Al Jazeera television in 2008 .
Lewis began hosting CBC Newsworld 's The Big Picture with Avi Lewis in the autumn of 2006 and On the Map in 2007 .
Lewis became host of Frontline USA for Al Jazeera television in 2008 .
Lewis began hosting CBC Newsworld 's The Big Picture with Avi Lewis in the autumn of 2006 and On the Map in 2007 .