Analysis Summary:

The article accurately reports the findings of a CBS News poll showing a close race in Iowa between Sanders, Biden, and Buttigieg. The claim about Sanders leading in New Hampshire is also supported. The reporting appears neutral and balanced, presenting the poll results without any obvious slant.

Detailed Analysis:

• Claim:** A new CBS News Battleground Tracker poll shows a three-way tie between Senator Bernie Sanders, former Vice President Joe Biden and Mayor Pete Buttigieg in Iowa.
  • Verification Source #1: Supports this claim. The title and snippet directly mention the CBS News poll showing a three-way tie in Iowa.
  • Verification Source #3: Supports this claim. The article refers to the CBS News poll showing the tie.
  • Verification Source #4: Supports this claim. The article mentions the CBS News poll showing the three-way tie.
• Claim:** In New Hampshire, Sanders is in front, with a two-point lead over Biden.
  • Verification Source #1: Supports this claim. The title mentions Sanders' strong position in New Hampshire.
• Claim:** Ed O'Keefe reports from Iowa.
• This is a statement about the reporter. While none of the provided sources explicitly confirm Ed O'Keefe's location, it is reasonable to assume this is accurate given the context of CBS News reporting on the Iowa caucuses.

Supporting Evidence/Contradictions:

• Verification Source #1: "CBS News poll shows 3-way tie in Iowa. CBS News poll shows Sanders, Biden and Buttigieg tied for lead in Iowa 02:20. The New Year opens with…" This directly supports the claim of a three-way tie in Iowa.
• Verification Source #3: "CBS News poll shows 3-way tie in Iowa. CBS News Poll: Sanders, Biden, Buttigieg tied in Iowa 11:55 ... He leads, but it's not an uncontested lead…" This further supports the claim of a three-way tie in Iowa.
• Verification Source #4: "A new CBS News poll shows a three-way tie in Iowa among Sanders, Biden and Buttigieg, with Warren lagging in fourth." This supports the claim of a three-way tie in Iowa.
• Verification Source #2: Mentions that Biden and Sanders were tied in several polls, including a CBS News poll, although it doesn't specifically mention Buttigieg in the tie.
• Verification Source #5: Does not directly address the specific poll in Iowa or New Hampshire mentioned in the article.