Original sentence: During the 1980s Wackenhut was a leader in airport security but refused to compromise the company's standards by cutting wages under pressure from airports and airlines.In 2004 Wackenhut's nuclear plant guard services came under intense public and media scrutiny, mostly due to concerns over terrorism but also under pressure from labor unions such as the SEIU], which operates a Web site devoted to attacking Wackenhut.Wackenhut was involved in the operation of private prisons during the 1980s, but abandoned the market due to low returns on investment, what it viewed as excessive government regulation, and negative publicity affecting its other more profitable operations
Edited sentence: During the 1980s Wackenhut was a leader in airport security but refused to compromise the company's high standards by cutting wages under pressure from airports and airlines.In 2004 Wackenhut's nuclear plant guard services came under intense public and media scrutiny, mostly due to concerns over terrorism but also under pressure from labor unions such as the [SEIU], which operates a Web site devoted to attacking Wackenhut.Wackenhut was involved in the operation of private prisons during the 1980s, but abandoned the market due to low returns on investment, excessive government regulation, and negative publicity affecting its other more profitable operations