what does joseph touma mean when he says we're looking for a trickle up effect? Do you think bridge the divide will succeed in this goal

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. 

the answer is definitely the first answer: lizabeth is older now and realizes that she may not have made the best decisions.