NBC Nightly News Full Episode - June 23

Heat wave threatens millions in Europe; Police say teen attempted a Columbine class shooting at library; Trump touts falling gas prices as lawmakers pass war powers resolution.

00:00 Introduction 01:48 Historic heat and flash floods 05:04 Police say teen attempted a Columbine class shooting at library 07:19 Trump touts falling gas prices as lawmakers pass war powers resolution 09:21 Savannah Guthrie's emotional plea to mother's kidnappers 11:44 New security at Lincoln Memorial's reflecting pool 12:48 Airline organization leader warns of 'hundreds' of close calls every day 15:09 Dangerous carjacking rampage in California 18:09 Scotland's world cup fans, the 'Tartan Army,' descend on US cities

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