Federal politicans don't care about other state's problems; and certainly don't typically want to restrict their own state legislature's powers. You're better o

Federal politicans don't care about other state's problems; and certainly don't typically want to restrict their own state legislature's powers. You're better off going the Uniform States Code route, as demonstrated by UCC. Publish a recommended law, then lobby state governments to adopt it. Maybe using a 'when 30 other states also ratify it' language similar to the NPVIC https://en.wikipedia.org/wiki/National_Popular_Vote_Interstate_Compact https://en.wikipedia.org/wiki/National_Popular_Vote_Intersta... The chief problem here is convincing states that cities poaching their neighbor's businesses is harmful.