Many legal experts say the ruling on the healthcare law could be one of the most consequential in the court’s history. The oral arguments in the case are the longest in 45 years, and the legal and political stakes are enormous. The court is expected to deliver its ruling in June, just months before the presidential election…

Supporters of the healthcare law have scheduled press conferences and rallies outside the court during all three days of oral arguments. And a group of Republican lawmakers led by Rep. Michele Bachmann (R-Minn.) is holding a rally to criticize the law shortly after the court finishes its second day of arguments.

Supreme Court public information officer Kathleen Arberg said the court’s police force is prepared to handle massive crowds outside the courthouse next week. U.S. Capitol Police and the Washington police department will be asked to help out as needed.