In this newscast: Juneau’s longtime fire chief announced he plans to retire later this fall; The National Weather Service has canceled a flood warning for Mendenhall Lake and River this morning after a second, minor glacial lake outburst flood last night; The U.S. Department of Education announced last week that it will cut millions in federal grants for its Alaska Native and Native Hawaiian-serving institutions program; Scientists studying killer whales in Alaska are uncovering long-term impacts of the 2014 marine heatwave; Tongass Voices: Student debaters explore what the U.S. Constitution means to them on stage