\begin{Schunk}
\begin{Sinput}
 vl = c("ideoln" = "Ideology", "ideolf" = "Ideology", 
         "ideolo" = "Ideology", "repub" = "Repub.", 
         "democ" = "Democ.", "V023010" = "Bush Therm",
         "useconn" = "US economy", "usecono" = "US economy",
         "educn" = "Education", educo = "Education", educf = "Education",
         "partyidD" = "Party Dem.", "partyidR" = "Party Rep.",
         "ideolo^4" = "ideolo.4", "ideolo^5" = "ideolo.5",
         "ideolo^6" = "ideolo.6")
\end{Sinput}
\end{Schunk}
