Nightly News | April 15, 2013
>>> we are back. we'll have more on this situation in boston in a moment. first we wanted to get you caught up on the day's other news including what had been our top story all day until word arrived from boston. that, of course, is the situation in north korea . it remains tense tonight. still no missile launch from there though one was widely expected today on what would have been the 101st birthday of the founder of the nation, kim il song . the current owner kim jong un was seen in public today for the first time in two weeks, paying respects at the grave site of his grandfather. secretary of state john kerry is back in this country tonight after a whirlwind round of diplomacy in the region trying among other things to pressure china to put pressure on its ally north korea to back down from its nuclear threats.