The NSA is legally not permitted to indiscriminately snoop upon US citizens on US soil communicating with other US citizens also on US soil.
That means all of us here in Europe are fair game.
To be fair, I'm sure our own intelligence organisations are spying on US citizens too. Though probably not as effectively, just because they don't have so much funding.
The NSA has also been using every excuse they can to spy indiscriminately on US citizens anyway by just redefining terms - claiming that 'metadata' doesn't count, or that they are allowed to make as many records as they want so long as no-one actually looks at them without a warrant.