Analysis Summary:

The article is mostly accurate, with key claims about Chenault's tenure and role at American Express supported by multiple sources. The "rock star to the green card faithful" statement introduces a slight bias, as it's a subjective characterization. The claim about being one of four African-American Fortune 500 CEOs is not directly verified by the provided sources, but is plausible.

Detailed Analysis:

• Claim:** Stepping down after 37 years at American Express, CEO Ken Chenault.
  • Verification Source #2: Supports the 37-year tenure at American Express.
  • Verification Source #1: Supports his role as CEO of American Express.
• Claim:** ...was one of just four African-Americans running a Fortune 500 company.
• No provided source directly verifies this claim.* This requires external knowledge or further research beyond the provided sources. While plausible, it remains unverified within the provided context.
• Claim:** A rock star to the green card faithful...
• No provided source covers this claim.* This is a subjective characterization and introduces potential bias.
• Claim:** ...a preternaturally calm leader during turbulent times for the financial services firm, from the 9/11 attacks in Lower Manhattan to the 2008 recession.
  • Verification Source #2: Implies leadership during turbulent times by stating his tenure as CEO from 2001 to 2018, which encompasses these events.
• Claim:** He talked with CBS News Special Correspondent James Brown about his tenure, and his future.
• This is a statement about the video itself and is assumed to be accurate.

Supporting Evidence/Contradictions:

• Agreement:** Verification Source #2 and Verification Source #1 both confirm Chenault's role as CEO of American Express and his long tenure.
• Lack of Coverage:** The claim about being one of four African-American Fortune 500 CEOs is not covered by any of the provided sources. The "rock star" claim is also not covered.
• Potential Bias:** The phrase "rock star to the green card faithful" is subjective and could be interpreted as biased, presenting a positive, potentially exaggerated view.