He wasn't watching the news coverage with Lois on the TV. Instead Clark was standing out on the balcony in the chilly November air, leaning on the railing, and listening. His accelerated hearing meant that he could hear Luthor speaking as soon as he began, even though the apartment was a good distance away from LexCorp Tower.
And he listened to every word that came from the man's mouth. He was silent, and then his head slowly dropped as the speech was finished, and the crowd began to cheer. Clark didn't move from his spot, lost for a long time in his own thoughts.