that's something that's been noticed by voters especially as they are paying more attention. so he was asked a couple questions, the answers for which were either he seemed to stumble with them a little bit or they came out like his answer on price control is not necessarily reassuring to a lot of voters. >> let's look at an exchange between marco rubio and jeb bush. >> marco, when you signed up for this, this was a six-year term. you should be showing up to work. literally, the senate, it's a french workweek. you get three days where you have to show up? you can campaign. just resign and let someone else take the job. >> i don't remember you complaining about john mccain's vote record. the only reason you're doing it now is because we're running for the same position and someone convinced you that attacking me is going to help you. here's the bottom line. my campaign is about the future of america and not attacking anyone else on this stage. >> mary, that didn't go well for the governor. he went with that line and it was clearly rehearsed.