On Lebs News Today

Biden. more on the rally tomorrow. were also watching whats happening on wall street. stocks are trying to bounce back in its first 50 minutes of trading. the trade war sent the dow into a dive yesterday but the big board is showing its up about 50 points, at least at this point. thats after china announced plans to retaliate against the united states. msnbcs david is live with the new york stock exchange. explain why the market is concerned about this potential escalating trade war? >> theres...