Secretary of State Marco Rubio is back from Geneva, where he met with Ukrainian and European officials to negotiate a peace agreement to end the Russia-Ukraine war. Rubio said Sunday he was “very optimistic” about the progress thus far. President Donald Trump has set a Thursday deadline for Ukraine to accept a deal. Meanwhile, tensions with Venezuela are mounting as the U.S. amasses military resources in the region at a level not seen in decades. Playbook’s Jack Blanchard and diplomatic correspondent Felicia Schwartz discuss the stakes.