Conversation so far:
when was Charles Kennedy resignation?
On January 7, 2006
why did Charles Kennedy resign on January 7, 2006?
Charles Kennedy . was informed that ITN would be reporting that he had received treatment for alcoholism; he pre-empted the broadcast by admitting that he had had treatment

Question: did he have any other reasons?
Self-contained rewrite: did Charles Kennedy have any other reasons besides being informed that ITN would be reporting that he had received treatment for alcoholism; he pre-empted the broadcast by admitting that he had had treatment?