You only have to give them all of your personal information... A bit ironic.
They have a form letter set up for your senators if you’re pressed for time… https://secure.brennancenter.org/secure/tell-congress-stop-biggest-expansion-government-surveillance-decades?utm_medium=EML&utm_source=advocacy&utm_content=702&cid=7018Y000001FtcRQAS&ms=EML_advocacy_702
You only have to give them all of your personal information... A bit ironic.