INTRODUCTION“Blum cheated his workers out of overtime.”“He moved his business to dodge Iowa taxes.”“He laid off over 70 workers” Source of Claim: Iowa Sen. Pat Murphy, a Dubuque Democrat running for U.S. House of RepresentativesANALYSISIn his 30-second TV ad, “Last to Leave”, Murphy criticizes his competitor, Republican Rod Blum, for his business practices while leading Dubuque-based Eagle Point Software from 1990 to 2000.