Global and the economic forum in davos, switzerland. economists are joining forces with ceos and heads of states to figure out ways to deal with the world's economic malaise. inflation and food, an update turn as the meeting is kicked off. >> this meeting shall be a meeting of reorganizing realities. we are not moving back to the old world. this meeting shawl be a meeting of constructive optimism. >> on thursday it won't be just business and world leaders who are at the conference, our chief medical correspondent, dr. sanjay gupta will also be there and he joins us now. sanjay, i thought you w...