you for this second hour of chris jansing reports. any minute now, president biden will meet with ukrainian president zelenskyy as he makes a direct appeal for u.s. aid for their grueling fight against russia. and it is in russia where allies have imprisoned putin foe navalny are sounding the alarm, saying they haven t heard from him in days and his whereabouts remain unknown. plus, the big cop 28 climate change summit forced into overtime after activists warned a deal was in complete failure. plus, decision day. the embattled president of harvard will keep her job after nearly over a week of outcry over the speech she made about antisemitism. our nbc news reporters are following the latest developments and we start with ukraine s leader sitting down with ukraine s leader sitting down with president biden any minute now. kelly, set the stage for us. the stakes are particularly high and they have been in different ways each time zelenskyy has come to the united states an