Charleston, South Carolina (CNN) - In what appears to be a last ditch attempt to halt Newt Gingrich's late momentum in South Carolina, a fake CNN Breaking News alert was emailed to state Republican activists early Thursday morning claiming that the former House Speaker pressured his ex-wife to have an abortion. CNN did not send out the email alert. It's not clear how many people received the fake email, though at least two members of the South Carolina GOP Executive Committee, who did not want to be named, were among those who found the missive in their inboxes this morning....