Vermont Senator Bernie Sanders was at the top of several Iowa polls leading up to the Iowa caucuses. His national press secretary, Briahna Joy Gray, joined CBSN to discuss Sanders’ presidential campaign. Source

Senator Amy Klobuchar addressed her supporters in Iowa prior to the caucus results being reported. The results have been delayed, though, as the Democratic party conducts “quality control.” Watch her remarks here. Source

CBS News is estimating a four-way race between Joe Biden, Bernie Sanders, Elizabeth Warren and Pete Buttigieg as voters’ initial preference. Source

Iowa caucus results are delayed while the state Democratic Party does “quality control,” officials said. CBS News elections and surveys director Anthony Salvanto explains what that means and how long it might take for results to come in. Source

Michael Bloomberg has been using unconventional campaign strategies to rise in the polls. His national spokesperson, Sabrina Singh, joined CBSN to discuss the campaign. Source

Bernie Sanders looks to continue momentum in Iowa; Video shows aftermath of deadly London stabbing attack Source

Former Florida Senator Bill Nelson is supporting former Vice President Joe Biden in the 2020 campaign. He joined CBSN to discuss why he thinks Biden is the best candidate. Source

Who is participating in the Iowa Democratic caucuses? CBS News elections and surveys director Anthony Salvanto helps break down what we’re learning from the entrance polling. Source

CBS News is estimating a four-way race between Joe Biden, Bernie Sanders, Elizabeth Warren and Pete Buttigieg as voters’ initial preference. Source

There are only 155 delegates up for grabs in the three contests following the Iowa caucuses. Still, these early states can help shape the election moving forward. LaCrai Mitchell, Alex Tin and Nicole Sganga discuss how the presidential hopefuls plan to make their mark in the next month. Source