rival with an apparent victory. chief political correspondent carl cameron is covering a busy day on the campaign trail. reporter: running last in south carolina polls, texas governor rick perry ended his presidential bid. today, i am suspending my campaign and endorsing newt gingrich for president of the united states. i believe newt is a conservative visionary who can transform our country. we have had our differences which campaigns will inevitably have. newt is not perfect, but who among us is? reporter: gingrich hopes to unite south carolina conservatives as the romney alternative. i was very honored and very humbled to have governor perry speak so well about endorsing me. reporter: his predictions are increasingly bold. we will, in fact, win decisively on saturday. reporter: two new south carolina polls put gingrich ahead.
rival with an apparent victory. chief political correspondent carl cameron is covering a busy day on the campaign trail. reporter: running last in south carolina polls, texas governor rick perry ended his presidential bid. today, i am suspending my campaign and endorsing newt gingrich for president of the united states. i believe newt is a conservative visionary who can transform our country. we have had our differences which campaigns will inevitably have. newt is not perfect, but who among us is? reporter: gingrich hopes to unite south carolina conservatives as the romney alternative. i was very honored and very humbled to have governor perry speak so well about endorsing me. reporter: his predictions are increasingly bold. we will, in fact, win decisively on saturday. reporter: two new south carolina polls put gingrich ahead.