Republican accuses China of ‘worst cover-up in human history’

Republican accuses China of 'worst cover-up in human history'
Republican accuses China of 'worst cover-up in human history'

CNN’s Jake Tapper speaks to Texas Rep. Michael McCaul, a top Republican on the House Foreign Affairs Committee, about the origins of Covid-19, the potential evacuation of thousands of Afghan nationals whose work for the US could make them Taliban targets, and election reforms in his home state.