In a recent Justia post, Illinois Law dean and professor Vikram David Amar blogged about one of the most important topics people are discussing these days—the relationship between states and localities, on the one hand, and the federal government on the other.

"The reactions various cities and states have had towards announced or proposed federal policy have been forceful and often aggressive. Examples include: the sanctuary jurisdiction movement; measures by various states to try to force presidential candidates (including and perhaps especially Candidate Trump, should he run again) to disclose tax returns as a condition of state ballot access; and the recent letter by California Supreme Court Chief Justice Tani Cantil-Sakauye to federal authorities complaining of what she saw as federal agents’ 'stalking' of state courthouses to apprehend individuals in the U.S. in violation of immigration laws."

Read the full post at verdict.justia.com.

The piece also appeared as an op-ed on Newsweek.com.