By Chuck Todd, Mark Murray and Carrie Dann
NBC News
January 13, 2020
WASHINGTON — Bernie Sanders is now in the lead in Iowa — albeit within the margin of error.
And what does he do with that lead three weeks before the first Democratic nominating contest? He and his supporters are on the attack.
It’s Bernie vs. the World, as NBC’s Gary Grumbach puts it.
On Saturday night — a day after the Des Moines Register poll showed Sanders narrowly leading the Dem race — his campaign blasted Joe Biden’s vote to authorize the Iraq war.