https://contactsenators.com/south-carolina/lindsey-graham
290 Russell Senate Office Building
Washington DC 20510
I also found this for a layout of the letter.
https://www.altaread.org/letter-senator.asp
Anyone know where to mail a letter to Judge Kavanaugh?
I could not find the information online.
Yes, send it to the 2nd District Court in Wash DC, there is a website with the address.