Name: Sarah Palin officially backs Donald Trump’s presidential bid
Uploaded: Wed Jan 20 2016 12:01:50 GMT+0000 (UTC)
Duration: 2 min 12 s
Description: Former Republican vice presidential candidate and Alaska Governor Sarah Palin defended Donald Trump's conservative credentials and railed against the Republican establishment for "attacking their own frontrunner" while endorsing Trump in Iowa on Tuesday. NBC’s Peter Alexander reports for TODAY on what the endorsement could mean for Trump, and the reaction of Trump’s opponent Senator Ted Cruz.

Jan. 20, 201602:12