The law allows families and survivors of those killed in the 9/11 terrorist attacks to sue the Saudi Arabian government for its purported involvement. After originally passing Congress unanimously, the veto was overridden 97-1 in the Senate and 348-77 in the House of Representatives, according to information from the article.
President Obama vetoed the bill due to concerns it would strain the U.S. relationship with Saudi Arabia and open up the U.S. to lawsuits from those in other nations who view its programs as illegal.
Read the full story from The New York Daily News.