washington is a problem, endangered incumbents got to sound like they're challenging the system, not a part of it. >> dana, thanks very much. could the frustration you just heard coming from these democratic senators be due to worries? sirs worries that republicans might actually take over the majority in the senate? let's bring in cnn's senior political analyst david gergen. the question, is it really possible, 59 democrats, 57 democrats, two independents who caulk with us with the democrats. is it really possible they could be in the minority after the midterm election this year? >> only a few months ago that was outside the realm of imagination, totally unimaginable. at best the republicans might pick up two, three, four seats, but now after scott brown's victory, giving the sourness in the country, the reality is setting in, hey, these republicans could make sizable gains and it is mathematically possible that for the first time