It's the scale of the NSA's alleged surveillance that's worrying
...The head of the European parliament delegation, British MEP Claude Moraes, told the BBC it was the scale of the NSA's alleged surveillance that was worrying.
"The headline news, that 35 leaders had their phones tapped is not the real crux of the issue," he said.
"It really is the El Mundo type story, that millions of citizens of countries... had their landlines and other communications tapped. So it's about mass surveillance. It's about scale and proportionality."
He said a priority of the European mission was to discuss the impact of American spying on EU citizens' fundamental right to privacy.
The BBC's Europe correspondent Chris Morris says that with every new allegation, demands are growing in Europe - and in Germany in particular - for explanations and for guarantees of a change in culture...