by Patrick Appel The Ryan pick will undoubtedly excite strongly conservative Republicans, but they don't need much exciting: Conservative Republicans are more enthusiastic, not less enthusiastic, than other Republicans. If Romney wants to engage in base mobilization, he should be focusing on the 27% of Republicans who self-identify as moderate or liberal. Romney isn't the first GOP candidate to pick a veep intended to fire-up the very conservative. Millman reviews recent history:]]>