he cut taxes $19 billion. reporter: today the bush super pac come being to the rescue, or hoping to. starting a $24 million ticing bli advertising blitz to tout bushing a conservative. jeb bush, proven conservative. real results. reporter: republicans say they re looking for an outsider which has given rise to trump, carson and carly fiorina. but they re torn over whether they want a candidate who burns red hot, like trump i hear they re all going after me. whatever. whatever! reporter: or more humble like the neurosurgeon, dr. car southern. it s human nature to think that whatever you do is the greatest thing and provides everybody with their messiah. i don t have that complex, quite frankly. reporter: six weeks after republicans shared a stage at their first debate, time is running short, and some candidates are desperate to jump-start their campaigns.