Not Your Father’s Republican Party 0 Randall Gross OpinionJanuary 2012Thursday, January 5, 2012 at 4:48 am PST • Views: 1,291 nytimes.com Core G.o.p G.O.P.-leaning Factions Ideological Roots Libertarians Main Street Republicans Moderates Old Battles Rank-and-file Republican Support Social Conservatism Staunch Conservatives Tea Party Types