big investments in him. so he parsed his words very carefully. and finally, if the president wants to take him seriously on this, he should stop sending letters. he should send a fed ex package with his tax returns. his tax returns is what is going to put this issue to rest. >> david frum, ron klain, thank you both for joining us tonight. i really appreciate it. >> thanks, lawrence. coming up, harvard law professor laurence tribe will join us. we'll get his reaction to the loyalty oath that president trump demanded of james comey. and later, the president attacked james comey today in his lester holt interview. but in the same interview, the president defended michael flynn. >> why that worries white house lawyers. that's coming up. call you? tom! name it tom! studies show that toms have the highest average earning potential over their professional lifetime. see? uh, it's a girl. congratulations! two of my girls are toms.