Thursday on The World, families of 9/11 victims get the congressional green light to sue Saudi Arabia. And, the New York Times reporter Declan Walsh normally serves as a foreign correspondent, but now he's been deployed to the US to cover our presidential election "in much the same way he would cover an event overseas." We'll find out what he's discovering as he makes his way across the country. Plus, the remains of some American soldiers who fought in Mexico finally make it home, 170 years later.
