This event involves routine diplomatic signaling between Iran and the US following Oman-mediated talks. While nuclear negotiations carry geopolitical significance, this specific event has zero constitutional damage to US democratic institutions (A=0) as it involves foreign policy posturing with no domestic mechanism affecting elections, rule of law, separation of powers, or civil rights. The B-score is modest (9.3) reflecting limited media hype around mixed diplomatic signals - some outrage potential and media coverage but low meme-ability and novelty given the cyclical nature of Iran nuclear talks. The 'opening for diplomacy but rejecting constraints' represents classic diplomatic ambiguity designed for domestic and international audiences. With A<25, no constitutional mechanism, and characteristics of routine foreign policy theater, this clearly qualifies as Noise - geopolitically relevant but not constitutionally damaging to US democracy.