Republican Rep. Mike Pence, who's seeking to become leader of the House Republicans when Democrats take control in January, says his party's primary mission in Congress' next two sessions will be ''to defeat the agenda of the Democratic Party.'' Pence (R-Ind.) released a document containing a five-point vision in which he declared that ''our primary task these next two years: to expose, dismantle and defeat the 'principles to which we have been forced to succumb.''' The document repeats Pence's call to the GOP to unite behind conservative goals of small government and lower taxes and goes on to urge fellow...