Gergen : Debate may represent David Gergen 's last big chance to turn around the race . Moreover , a big Obama victory would keep the Senate safely in Democratic hands and -- less likely -- might put a few House seats in play . He says the stakes are also sky-high for Midwest , even if he wins election . Obama needs a big victory to claim broad support for his plans for first term , David Gergen says .
Gergen : Debate may represent David Gergen 's last big chance to turn around the race . He says the stakes are also sky-high for Midwest , even if he wins election . Obama needs a big victory to claim broad support for his plans for first term , David Gergen says .