Barack Obama has taken a one-point lead, with a three-day, three-point swing in his favor, in today's Politico/GWU Battleground tracking poll --- but once again, the internals tell a different tale. Eight days out from the election, independents still favor Mitt Romney, and the gender gap is still neutralized. James Hohmann reports on the topline: With eight days to go until the election, President Barack Obama has recaptured a narrow national lead over Mitt Romney, riding increased support from women and an edge in early voting.A new POLITICO/George Washington University Battleground Tracking Poll of 1,000 likely voters — taken from...