The Last Word Holiday Party opens with a look back at a wild year in politics! Lawrence O’Donnell, Joy Reid, Steve Kornacki, Kasie Hunt, Maria Teresa Kumar, and Jonathan Allen share their picks for the Best & Worst Political Move of 2015.Dec. 31, 2015
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Two victims identified in Texas school shooting
00:33
Harris speaks out on Texas school shooting: 'Our hearts keep getting broken'
02:41
Parkland father reacts to Texas school shooting: 'How many more times?'
05:08
'Why are you here?' Sen. Murphy begs colleagues to compromise on gun legislation
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Castro says he hopes Uvalde shooting gives politicians courage to cast gun control vote
04:15
Authorities confirm ‘several injuries,’ ‘some deaths’ at Texas school shooting