Sunday on PBS News Weekend, we get a preview of this week's Supreme Court hearings on congressional redistricting and a clash between free speech and civil rights. Then, we take a closer look at the movement toward a global agreement on reducing plastic pollution. Plus, how ongoing violence and instability in Haiti is creating chaos in a nation plagued by natural disasters and political turmoil.

WATCH TODAY’S SEGMENTS:
News Wrap: Iran may disband morality police amid protests
https://youtu.be/I2MbGgzSp9I
A look ahead at two cases before the Supreme Court this week
https://youtu.be/z6DkXPkMBuA
How countries are trying to tackle plastic waste together
https://youtu.be/PDisgf7Dm6M
Violence and instability in Haiti as ongoing crisis deepens
https://youtu.be/dn8TC2-o0dg

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00:00 - Intro
02:02 - News Wrap
05:32 - At the Court
11:14 - The Plastic Problem
16:59 - Haiti in Crisis