What is the impact of Hester's decision to reveal Chillingworth's identity to Dimmesdale?

Hester decided to reveal Roger Chillingworth's secret identity to Mr. Dimmesdale because, after her private conversation with Dimmesdale (Chapter 12), she could see that he was on the verge of lunacy, unless he had already crossed over the verge already

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate.