"andrea mitchell reports." tomorrow on the show, republican senator john cornyn, a key player will join us, and plus new york times business columnist david leonard. and tamron hall has "newsnation" coming up. >> yes, we are following many stories. in two hours president obama holds another round table talk with the congressional leaders after yesterday's meeting reached areach reached a boiling point, and house majority leader harry reid said that cantor acted immature and should not be involved in the talks. and it is the second day of testimony in roger clemens' perjury trial, but the judge has declared a mistrial. what is happening with the rocket? [ male announcer ] it's simple physics...