What not to pick as a theme for your party

Hey guys, wouldn't it be cool to have a "border patrol" theme for our party? We white guys dress up as Mexicans, as stereotypically as possible, just for, you know, like, for the fun of it?  And we can go, hey dude, that sombrero suits you, you oughtta wear it all the time, have some more brew, bro.

At least others at the University of Texas are protesting.