Complex sentence: John White is currently the Chairman and CEO of Compass Marketing, Inc., and is the Republican nomminee for U.S. Congress in Maryland's 3rd congressional district to replace incumbent Democrat Ben Cardin, his opponents are Democrat John Sarbanes and Libertarian Charles Curtis McPeak.
Split into simpler sentences: John White is currently the Chairman and CEO of Compass Marketing, Inc., and is the Republican nomminee for U.S. Congress in Maryland's 3rd congressional district to replace incumbent Democrat Ben Cardin. His opponents are Democrat John Sarbanes and Libertarian Charles Curtis McPeak.