A controversy has broken out at Washington University in St. Louis over a Facebook photo apparently showing five students dressed up for Halloween as a Navy SEAL team capturing Osama bin Laden with garish neon water guns. The photo was originally posted on Facebook on Oct. 30 with the title “Halloween ’13 Amurrica!!” reports the St. Louis Post-Dispatch. The photo shows three dudes in camouflage attire surrounding a kid also in camo garb who is sporting a long, fake beard and turban. There’s also a guy in the background holding up an American flag. Washington University student Mahroh Jahangiri later...