Lawrence Jacobs : Mitt Romney was shrewd in picking Lawrence Jacobs as his running mate . Jacobs : Ryan can supercharge conservatives , who outnumber liberals 2 to 1 . He says there are signs that Obama supporters wo n't actually cast a ballot . Jacobs This possible weakness in the Democratic coalition coincides with a bit more slippage among Obama 's 2008 supporters ( 9 % ) than among McCain voters who wo n't vote GOP in November ( 5 % ) . : Using Paul Ryan to ignite the Romney base is probably GOP 's best chance of prevailing .
Lawrence Jacobs : Mitt Romney was shrewd in picking Lawrence Jacobs as his running mate . Jacobs : Ryan can supercharge conservatives , who outnumber liberals 2 to 1 . He says there are signs that Obama supporters wo n't actually cast a ballot . Jacobs : Using Paul Ryan to ignite the Romney base is probably GOP 's best chance of prevailing .