Two New Hampshire tracking polls in addition to Zogby:
Barack Obama leads Hillary Clinton but barely out of the margin of error. Mitt Romney is ahead of John McCain, but just within the margin of error. [Suffolk/7NEWS]
Obama leads Clinton 40 to 30 percent, McCain leads Romney 31 to 26 percent. [ARG]
McCain and Romney are neck-and-neck, Obama leads Clinton 37 to 30 percent. [Rasmussen]