Newt Gingrich hinted he may withdraw from the presidential race if he has a poor showing in the Delaware primary Tuesday – "I think we need to take a deep look at what we are doing...We will be in North Carolina tomorrow night and we will look and see what the results are." "This has been a good opportunity for us, we have been here seeing a lot of people,” Gingrich said. “We have got really positive responses and I would hope we would do well here – either carry it or come very, very close." ..."Romney is clearly the...