President Trump wants to hold a trilateral summit with Chinese President Xi Jinping and Russian President Vladimir Putin in China next month to discuss "denuclearization" — but not necessarily Ukraine.

Why it matters: Such a summit between the leaders of the U.S., China and Russia would be unprecedented.

Trump has been talking for two years about his aspiration to reach a deal with Russia and China to reduce the number of nuclear weapons. But so far, Putin and Xi haven't shown much openness to the idea.

Driving the news: Trump is expected to travel to China in mid-November to participate in the Asia-Pacific Economic Cooperation (APEC) leaders' meeting in the city of Shenzhen.

The Kremlin has been floating the idea of holding such a meeting since July.…