By Daniela Altimari and Mary Ellen McIntirePoll after poll suggests Americans are deeply split along partisan lines on most key issues. James C. Moylan survived a Republican primary challenge, our colleague Nick Eskow reported. In Kansas, Republican hopes of flipping the governorship rest with state Senate President Ty Masterson, who will face Democratic state Sen. Cindy Holscher. Why it matters: The battleground 3rd District is likely to be among the most competitive races this November, but Cooke, Democrats’ preferred candidate, must first get through Tuesday’s primary. Mark Sanford, with pigs in tow, returned to the State House in Columbia on Thursday to protest wasteful spending in the US government.