Tropical Storm Barry forms in Gulf, could become hurricane

Tropical Storm Barry formed off the coast of Louisiana on Thursday and threatened to blow ashore as a hurricane with relatively weak winds but torrential rains that could test the flood-control improvements made in New Orleans since Hurricane Katrina 14 years ago.Plaquemines Parish, at Louisiana's southeastern tip, ordered the mandatory evacuation of as many as 10,000 people, and communities began handing out sandbags.Louisiana Gov. John Bel Edwards declared an emergency and said National Guard