The information about Democrats yelling in Congress during a moment of silence for Charlie Kirk, or about Speaker Mike Johnson calling for such a moment of silence, or about Rep. Lauren Boebert requesting a prayer, is not available in the provided search results.
The search results only contain information about Charlie Kirk being shot and killed on September 10, 2025, during a Turning Point USA event at Utah Valley University, but do not include any details about subsequent Congressional proceedings or reactions from Democratic members of Congress.