FROM CNN's Jack Cafferty: When it comes to November's midterm elections, the writing on the wall is not looking good for Democrats. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/08/02/art.donkey.jpg caption=""] A new Gallup poll shows Republicans with an unprecedented 10-point lead over Democrats – 51 percent to 41 percent – on the generic ballot question. That's the Republicans' largest lead … Continue reading How concerned should Dems be about losing the House?