The Basque separatist group ETA set off two small bombs alongside highways south of Madrid on Friday just as millions of Spaniards hit the road to begin summer holidays, officials said. There were no injuries, only minor damage, and the roads were reopened within an hour, although one highway experienced a 12-mile traffic jam. A caller in the name of ETA forewarned of the blasts by phoning the Basque newspaper Gara, the paper said. Full Story