The only valid political system is one that can handle an imbecile in power without suffering from it
Go to parties. You can't even start to know what you may find on the envelope of serendipity. If you suffer from agoraphobia, send colleagues.
Debt is a mistake between lender and borrower, and both should suffer.
Poverty is clearly one source of emotional suffering, but there are others, like loneliness.
For many people, commuting is the worst part of the day, and policies that can make commuting shorter and more convenient would be a straightforward way to reduce minor but widespread suffering.