Orin Kerr writes:
One of the recurring issues raised in the Supreme Court’s cell phone search arguments today asked the following question: What’s the practical difference a warrant requirement would make? If the government often will have probable cause to search the phone for evidence, and a warrant search can be quite invasive, how much privacy does it actually add to impose a warrant requirement? It’s an interesting question. Here are some thoughts on answers:
Read more on WaPo The Volokh Conspiracy.