Ukrainian President Petro Poroshenko says the conflict with Russia is close to the "point of no return" which would be "full scale war".
The situation in Ukraine looks ever further from the peaceful, or at least contained, solution Western leaders were hoping for.
Daragh McDowell, senior analyst at Maplecroft, says the conflict between Ukraine and Russia has become an "existential issue for both presidents", as backing down would mean losing their positions.
Discussing how to counter the "new" Russia and if airstrikes will effectively combat ISIS, with former U.S. Ambassador to Ukraine, William Taylor.
Former U.S. Ambassador to Ukraine, William Taylor, weighs in on U.K. Prime Minister David Cameron's statements about the threat of ISIS and if U.S. will be drawn into armed conflict.
CNBC's Michelle Caruso-Cabrera reports Russia's President Vladimir Putin is peaking at a youth conference in Seliger while 1,000 Russian troops are operating in Ukraine.
Politico's Ben White discusses the geopolitical problems weighing on President Obama, including coming up with a strategy on ISIS. Also White provides his take on the hot button issues on Capitol Hill.
NBC's Albina Kovalyova reports on the latest developments in Ukraine as fighting escalates and the West considers enforcing additional sanctions on Russia.
Andrew Wood, an associate fellow at Chatham House, discusses the latest developments in the Ukraine crisis and what can be done to stop Russian aggression.
Andrew Foxall, director of the Russia studies centre at The Henry Jackson Society, says the EU is likely to extend and toughen its Russian sanctions and discusses next week's NATO meeting.
Carlo Gallo, Founder at Enquirisk, says any energy sanctions on Russia are "off the table" as Europe relies heavily on Russian gas.
Philippe Legrain, former economic advisor to the President of the European Commission, says Poland's Prime Minister Donald Tusk is a frontrunner for European Council presidency.
CNBC's Claudia Pensotti reports on what to expect from the meeting of EU foreign ministers as the Ukraine crisis escalates.
From a financial standpoint, geopolitical tensions in Ukraine don't have major economic repercussions, says James Bianco, President of Bianco Research.
President Barack Obama said there will not be military action in Ukraine, and that there is no current plan to deal with ISIS.
Wall Street advanced to all-time highs while the Russia-Ukraine crisis rose toward a boil, but it wouldn't mind seeing a de-escalation soon.
President Obama addresses the economy; situation in Iraq; and unrest between Russia and Ukraine. President Obama will meet with the National Security Council Thursday night.
Discussing the geopolitical impact of unrest in Russia and Ukraine , with Michael Crofton, Philadelphia Trust Company; CNBC contributor Jon Najarian; "Fast Money" trader Guy Adami; and CNBC's Michelle Caruso-Cabrera.
Discussing how geopolitical concerns are impacting trading, with Art Cashin, UBS Financial Services.
Dennis Gartman of the Gartman Letter and CNBC's Michelle Caruso-Cabrera react to geopolitical issues. Gartman says the U.S. has been far too complacent.