Reports that at least 17 U.S. missionaries and their families have been kidnapped in Haiti. What we're learning this morning. Plus, a supply chain crisis, empty shelves and rising prices. President Biden calling on businesses to break the bottleneck. And an FDA panel recommends Johnson & Johnson boosters for a wide group, those 18 and older. Are they at greater risk? Now questions on mixing and matching vaccines. Dr. Anthony Fauci joins "This Week" co-anchor Martha Raddatz this morning.