breathe out. kyara, valeria, you're in charge of setting up the database. tallie, you'll take network layering. and isabelle, you'll build out the front end. when we create opportunities for girls to stretch their minds, we give them the confidence to change the world. she can stem. so can you. learn more @shecanstem welcome back. as lawmakers prepaur for their second day of televised testimony in this impeachment inquiry they will be questioning a crucial witness a little bit later tomorrow behind closed doors. >> he could become a key player in the democrats' overall strategy. david holmes is the official who overheard a call with when the president allegedly asked how the investigations he demanded from ukraine were coming along. with us to discuss, david