..NYT says:
Cooper took the podium in the court and told the judge, "Last night I hugged my son good-bye and told him it might be a long time before I see him again."
"I went to bed ready to accept the sanctions" for not testifying, Cooper said. But he told the judge that not long before his early afternoon appearance, he had received "in somewhat dramatic fashion" a direct personal communication from his source freeing him from his commitment to keep the source's identity secret.
interesting...