Romney’s Ryan bounce across 11 polls thus far: +5, +5, +2, +2, +2, 0, 0, 0, -2, -2, -2. So, take your pick. +0.9 on average. — Nate Silver (@fivethirtyeight) August 15, 2012
— Nate Silver (@fivethirtyeight) August 15, 2012