Entities mentioned:
- Bernie Sanders: Justice, Moral outrage, Influence
- Democratic Party: Power, Control, Self-preservation
- Republican Party: Power, Control, Competitive spirit
- Donald Trump: Power, Control, Ambition
- Kamala Harris: Ambition, Power, Influence
- Israel: Self-preservation, Security, Control
- Vladimir Putin: Power, Control, Greed

Article Assessment:
Credibility Score: 75/100
Bias Rating: 40/100 (Lean Left)
Sentiment Score: 35/100
Authoritarianism Risk: 45/100 (Mixed/Neutral)

Bias Analysis:
The article leans slightly left, giving more prominence to Sanders' progressive views and critiques of both parties. While it includes some opposing viewpoints, the framing tends to emphasize Sanders' perspective on various issues.

Key metric: Political Polarization Index

As a social scientist, I analyze that this article highlights the increasing political polarization in the United States, particularly in relation to redistricting efforts and party strategies. Bernie Sanders' criticism of both Republican tactics and Democratic responses indicates a deepening divide between parties and within the Democratic Party itself. The discussion of gerrymandering and retaliatory redistricting suggests a deterioration of democratic norms, which could further erode public trust in the electoral system. Sanders' comments on the Democratic Party's perceived abandonment of its working-class base reflect growing tensions within the party and could impact voter alignment. The article also touches on international issues, including the Israel-Gaza conflict and US-Russia relations, which may influence domestic political discourse and foreign policy positions. Overall, the content suggests an intensification of ideological rifts and a potential shift in political alliances, which could significantly affect the Political Polarization Index in the coming years.