Original sentence: Among the leading news organizations who voluntarily adopt and attempt to uphold the common standards of journalism ethics described herein, adherence and general quality varies considerably.Among the most respected western publications, programs, and broadcast networks are:.An organization earns and maintains a strong reputation, in part, though a consistent implementation of ethical standards, which influence its position with both with the public and within the industry.British Broadcasting Company, BBC.Canadian Broadcasting Company, CBC.PBS, The NewsHour with Jim Lehrer,  Frontline for news and in-depth reporting.The Cable News Network.The professionalism, reliability and public accountability of a news organization are three of its most valuable assets
Edited sentence: Among the most respected publications, programs, and broadcast networks are:.Even among serious news organizations that adopt and attempt to uphold the common standards of journalism described above, adherence and general quality varies considerably.For example, it is not unheard of for a small-town or neighborhood newspaper to editorialize about local goings-on in news reports.Local publications and programs are generally less respected and in some cases are somewhat lax about upholding journalistic integrity.PBS, in particular The NewsHour with Jim Lehrer for news.The professionalism and reliability of a news organization is a major factor in its long-term reputation, both with the public and within the industry