his son, barron, by name during that rally while attacking presidential candidate elizabeth warren. >> crazy pocahontas goes to the middle of central park or -- she's in manhattan. you got me. and, people, i would have barron go into central park and he would get a crowd just as large. >> previously, republicans including first lady melania trump criticized the stanford law professor for invoking barron trump during her testimony. the first lady tweeted, a minor child deserves privacy and should be kept out of politics. you should be ashamed of your angry and biased public pandering and using a child to do it. what insurances does nancy pelosi want before a senate trial? does she gain leverage at all by holding the articles of impeachment? we discuss, next.