Updated Friday, January 30, at 12:00 PM
Late Thursday evening, Romney’s political operation sent scores of supporters an email under his name inviting them to join a Friday morning conference call to be led by Romney himself for “an update.” The email was signed “All the best, Mitt.” At that point, there was no indication which way he was leaning, but those who were helping him make up his mind said that the decision-making process had come down to two lists: three factors in favor of a run, and two factors against.