Fox News Flash top headlines for April 6 Fox News Flash top headlines are here. Check out what's clicking on FoxNews.com. NEW You can now listen to Fox News articles! South Korea's National Intelligence Service (NIS) thinks that North Korean leader Kim Jong Un's daughter has been lined up to be her father's eventual successor, lawmakers noted on Monday, according to Reuters. The NIS indicated to lawmakers that its analysis stems from what it characterized as "credible intelligence" that it had