It’s limited to foreigners only. Extend it.
Ask George Papadopolus if it was used against him. Ask Donald Trump. Ask anyone associated with the Hillary spawned Russia, Russia, Russia scam that resulted in millions of dollars in taxpayer money used to investigate, persecute and impeach Trump. I daresay that your phonecalls and even this post subsequently will be stored on massive computers in Utah. Power corrupts and absolute power corrupts absolutely! 702 gives the FBI, NSA etc. the legal authority to listen in on all calls and then prosecute on those with foreign contacts. And illegally act on all others. This is how the Intelligence Agencies control our representatives in Congress, by blackmailing them. Sorry, didn’t mean to preach.