task and could ask questions if they still had issues.

After the "one-on one" progress was recorded and maintained on an action list (another industry method). The co-lead was responsible for recording progress and maintaining the action list. The co-lead was responsible to review the action list progress and issues at the start of each meeting. To prevent the action list from usurping the tasks on the project planning schedule, the scope of the action list was limited to a 2-week "rolling window". In other words, the action list could be viewed as a "magnifying glass" enlargement of the tasks on the overall project plan.

Despite owning the AR list, the co-lead does not make the action list items. Those are created either by the team leader or by theuntil complete denuclearization.

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The two world leaders had previously met in Singapore in June 2018, with both signing a document promising to work for "complete denuclearization of the Korean peninsula."

On Friday, Trump and Russian President Vladimir Putin discussed several topics, including North Korea during a phone conversation, according to a Twitter message from President Trump.

Fox News’ Lucas Tomlinson, Louis Casiano and Adam Shaw contributed to this report.