Entities mentioned:
- Volodymyr Zelenskyy: Justice, Self-preservation, Determination
- Donald Trump: Legacy, Influence, Power
- Vladimir Putin: Power, Control, Influence
- European Leaders: Security, Unity, Influence

Article Assessment:
Credibility Score: 75/100
Bias Rating: 55/100 (Center)
Sentiment Score: 45/100
Authoritarianism Risk: 35/100 (Generally Democratic)

Bias Analysis:
The article presents multiple perspectives, including those of Zelenskyy, Trump, Putin, and European leaders, providing a relatively balanced view. However, there's slightly more emphasis on Trump's role and statements, which could indicate a slight center-right lean.

Key metric: International Relations and Diplomacy

As a social scientist, I analyze that this article highlights the complex diplomatic efforts to end the Russia-Ukraine war. The involvement of key global players like the US, Russia, and European nations demonstrates the international significance of the conflict. Zelenskyy's firm stance on achieving 'real peace' and his wariness of Russian treachery indicate Ukraine's determination to protect its sovereignty. Trump's pivot from seeking a ceasefire to pursuing a peace agreement suggests a shift in US diplomatic strategy. The European leaders' insistence on Ukraine's security guarantees and sovereignty reflects their cautious approach to peace negotiations. This high-stakes diplomacy could significantly impact global power dynamics and the future of international conflict resolution.