The president has been aggressive in courting members of Congress, meeting with Sens. John McCainJohn Sidney McCainGOP strategist donates to Alabama Democrat Meghan McCain knocks Bannon: 'Who the hell are you' to criticize Romney? Dems demand Tillerson end State hiring freeze, consult with Congress MORE (R-Ariz.) and Lindsey GrahamLindsey Olin GrahamGOP and Dems bitterly divided by immigration We are running out of time to protect Dreamers US trade deficit rises on record imports from China MORE (R-S.C.) on Labor Day at the White House. On Tuesday, Obama hosted congressional leaders and the chairmen of the Intelligence, Foreign Affairs and Defense committees at the White House before departing for Sweden ahead of the G-20.

Meanwhile, administration officials have fanned out to brief members of Congress on Capitol Hill, including estifying in a series of classified briefings.

Earlier Thursday, Rhodes wouldn't rule out the possibility, floated earlier in the week by Secretary of State John KerryJohn Forbes KerryLobbying world Kerry: Trump not pursuing 'smart' or 'clever' plan on North Korea Tillerson will not send high-ranking delegation to India with Ivanka Trump: report MORE, that Obama might address either the American people or Congress about the situation.

"We don’t have a particular speech planned at this point, but we certainly do think that the President will be out there making the case to Congress and the American people," Rhodes said. 

"He’ll have multiple opportunities to do so. Yesterday and today and tomorrow, he’ll be able to make that case on the world stage and I think it’s important for the world to hear the view of the United States on this issue, particularly because our view is rooted in an international norm that has the support of the international community that we believe must be enforced."