. >> patrick murphy is facing off against congressman alex grayson for the senate seat currently held by marco rubio. grayson has been the subject of ethic investigations and leaders urged him to drop out. this morning, rubio refused to say whether he agrees with donald trump that clinton is a bigot. >> hillary clinton has a lot of problems. she's corrupt, dishonest. some of the policies that she stands for do harm minority communities. >> call her a bigot, though? >> you'll have to ask the campaign about the terms they use. >> shocked. a lot of people i spoke with were shocked about the support that marco rubio has given to donald trump, perhaps the most racist, bigoted person to ever make it this far. >> polls show both murphy and rubio should comfortably win tonight. in fact, for the past two weeks, both men have been looking past today's primary day, attacking and campaigning against each other, latest quinnipiac poll showing a november matchup with rubio up three points. it will be close, competitive and costly. live to tempe, arizona, and my colleague, jonathan hunt, covering th