I think a good step toward sustainability would be to eliminate many of the different aid programs and just give cash to those that need it. You could eliminate crazy amounts of bureaucracy that way.
Also fix the public education system in poor communities. Not real sure the best way to do this.
What are your ideas?
It might help answer the "how to fix public education system in poor communities" question if you state the problem. Why can't these poor kids be taught and retain information?
"State the problem"? I think there are tons of problems and it's an extremely complex, but overall our school system completely fails at preparing our poorest people for success in life. Do you disagree?
However, if you want to go into detail, here's a specific example of a "problem":
And in recent years, black boys have been about as likely to be shot to death as they are to graduate from high school college-ready.
http://www.msnbc.com/msnbc/how-oaklands-public-schools-are-fighting-save-black-boysI don't know the solution, and have claim to know the solution. I do know that the teachers in poor districts are severely underpaid, and most of the best ones want to move to more affluent districts for better pay and perhaps an easier job. Maybe a start would be paying teachers in the Oakland school district, for example, double what they make now? (At least).