The World DebateDavos: A Richer World - But for Whom?BBC News Channel Duration: 1 hourFirst broadcast: Mon 26th Jan 2015, 13:30 on BBC ParliamentA Richer World season begins with a debate from Davos. Evan Davis asks a panel whether the global economic cake can continue to grow.ContributorsPresenter:Nik GowingGenresFactualFormatsDiscussion & TalkBrandThe World Debate Source: BBC Online