The issue focused in part on how the state's tax system treats high-income earners. The issue is complicated by income tax laws that vary by state. The issue is complex by income tax laws that vary by state. Here are some highlights, with links to relevant articles.

Tax laws that vary

The income tax rules in many states vary by income type and by state. Some are simple, such as the federal income tax rates on income earned in the United States. Other states have strict income tax