The first lawsuit has been filed against the proposed border wall between the US and Mexico. It's from an environmental group claiming a wall would harm jaguars, wolves, and dozens of other species.
What are the prospects of suits like this succeeding? We'll look at the odds.
You can read the lawsuit below:
Brian Segee, senior attorney for the Center for Biological Diversity
Julie Axelrod, director of investigations and staff counsel at the Immigration Reform Law Institute