patricia millen also on the circuit court of appeals. her case got caught up in the filibuster over it. a lot of names out there already. we're seeing some battling back and forth not only between republicans and the president over whether or not he should make this nomination but between republicans. ted cruz already has an ad out this morning saying if donald trump is selected he could not be trusted to nominate the next supreme court justice for the united states. more potential nominees are mentioned, dara as they slug it out and whether or not president should actually make the office. >> there are only five days left and the field is down to just six candidates but saturday night's debate was the most venomous debate and there were plenty of fights in both english and spanish. nbc's gabe gutierrez has more. >> reporter: after moments of silence for justice scalia came the most contentious debate so far. >> he lies. >> liar, liar, liar. >> reporter: the variation of liar was used at least 13 times. the most used by donald trump. tru