Vance Warns Iran It Would Be 'Dumb' to Let Ceasefire Talks Collapse Over Lebanon

US Vice President JD Vance issued a pointed warning to Iran on April 8, 2026, saying Tehran would be 'dumb' to allow ceasefire negotiations to collapse over the question of Lebanon's inclusion in the truce framework. Vance's remarks signal active US pressure on Iran to widen the diplomatic window beyond the bilateral US-Iran pause and to accept that Lebanon — where Israeli operations against Hezbollah are ongoing — must be addressed within the broader ceasefire architecture. The statement represents a significant escalation in US diplomatic messaging: Washington is explicitly pressuring Iran to engage on Lebanon rather than treating the Iran-focused ceasefire as a sealed arrangement. The warning comes as Hezbollah, Iran's principal Lebanese proxy, continues to sustain Israeli strikes not covered by the two-week bombing halt.