VP Biden and candidate Ryan will have to tread carefully while defending top of ticket . Since Obama did n't aggressively push Romney to give details about the Romney-Ryan plan to whittle the nation 's debt and prove that doing so wo n't shift the burden to the middle class , Biden will likely push Ryan to do so , Jones said . Biden 's off-the-cuff remarks and Ryan 's inside baseball approach are their Achilles heels . Comment:
VP Biden and candidate Ryan will have to tread carefully while defending top of ticket . Biden 's off-the-cuff remarks and Ryan 's inside baseball approach are their Achilles heels . Comment: