EU says distrust of US on spying may harm terror fight
bbc.co.uk
bbc.co.uk
That's why there needs to be drastically more oversight, that's a lot more effective, and with members of the Intelligence Committee who can declassify information at will in congress, without anyone's approval.
Also the FISC needs to either be abolished, or disbanded, and create a new process for electing the judges, and creating a Court with much more transparency.