Compared with the ruinous attacks that struck Spain in March, the bombings over the past 14 days in the northern provinces might be expected to attract little notice: Seven weak explosives, wrapped in plastic bags, and weighing less than 300 grams, caused only slight injuries and minor property damage. But in Spain, a country that has suffered domestic terrorism for the past 30 years, the explosions were an unnerving reminder that ETA, the Basque terrorist group, was still a threat.Full Story