Of course spying occurred in 2016 against the Trump campaign by the Obama administration. What do you think a FISA warrant is for?

Of course spying occurred in 2016 against the Trump campaign by the Obama administration. What do you think a FISA warrant is for?
“I think spying did occur… but the question is whether it was predicated, adequately predicated?”
That was Attorney General William Barr testifying before the Senate Appropriations Subcommittee
...And of course spying occurred. 
The nearly three-year investigation was complete with Foreign Intelligence Surveillance Act (FISA) warrants, approved in federal court, that allowed federal officials to look at Trump campaign emails, listen to phone calls and see other communications.
That’s what a FISA warrant does.
 It’s for surveillance, which is right in the name of the statute.
That is spying..."
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