Reddit reviews Republic, Lost: How Money Corrupts Congress--and a Plan to Stop It

There are plenty of ways to start fixing these problems. Minimum wage increase, tax code reform, infrastructure investment, domestic manufacturing incentives, etc. The politicians know about these things, but won't implement them because of our campaign finance system. They are beholden to wealthy contributors funding their campaigns. Republic Lost by Lawrence Lessig is a great explanation of how bad campaign finance law causes corruption that prevents us from solving any issues important to us.

Or read his book.