Carly Fiorina dropped out of the presidential race this afternoon, via Facebook message, a day after her seventh-place finish, with just 4 percent of the vote, in the New Hampshire primary. The “And Then There Were None”-esque winnowing of the GOP presidential field continues.Fiorina entered the campaign in May of last year, the only female Republican candidate, touting her leadership experience as the former CEO of Hewlett-Packard.