A leaked Russian document obtained by Politico suggests that during his meeting in Helsinki last month with President Trump, Russian President Vladimir Putin brought up a range of arms control topics, including the continuation of nuclear treaties, new weapons limits and the "non-placement of weapons in space."

Why it matters: The content of Trump and Putin's one-on-one meeting has been the subject of intense speculation, with the lack of transparency prompting some Democratic lawmakers to attempt to subpoena the American interpreter who sat in the room. The leaked document sheds some light onto the priorities Putin may have highlighted in the meeting.

The details: