How will the details revealed by Marianne Gingrich regarding her former husband’s personal life – and Newt Gingrich’s defiant response – play out among the GOP presidential primary electorate? But it’s worth keeping in mind that even before Marianne Gingrich went public, Newt Gingrich was already facing tough odds when it comes to his support among women nationally — a factor that underscores the argument made by his GOP rivals against his electability in the fall. There typically tends to be a gender gap in presidential general elections, as women vote more Democratic than men. But a CNN/Time/Opinion Research survey...