TOPEKA, Kan. - The former chairman of the Kansas Republican Party jumped ship in a big way Tuesday, switching his affiliation to Democrat amid speculation that he would become Gov. Kathleen Sebelius' running mate. Johnson County Elections Commissioner Brian Newby confirmed that Mark Parkinson, the state GOP chairman from 1999 to 2003, came to the office and switched his party affiliation shortly before noon. Parkinson's name has been widely circulated as Sebelius' choice for a running mate as the Democratic governor seeks a second term. Current Lt. Gov. John Moore — another former Republican — is retiring when his term...