Analysis Summary:

The article's factual accuracy is mixed. The claim about the percentage of overweight Americans is a statistic that requires verification. The rest of the snippet is an opinion/joke by Jim Gaffigan, which is accurately attributed to him. The provided sources confirm Gaffigan's focus on food but do not verify the statistic.

Detailed Analysis:

• Claim:** Seventy percent of Americans are overweight.
• This is a statistical claim that requires verification from a reliable source (e.g., CDC, NIH). The provided sources do not cover this claim.
• Claim:** Commentator Jim Gaffigan suggests that, really, 30 percent of Americans are just lagging behind the rest of the country by being too thin.
• This is presented as Jim Gaffigan's opinion/joke. The provided sources confirm that food is a frequent topic for Gaffigan. Verification Source #1, #2, #4, and #5 all indicate that Jim Gaffigan frequently discusses food.

Supporting Evidence/Contradictions:

• The provided sources confirm that Jim Gaffigan frequently talks about food. Verification Source #1: "Jim Gaffigan loves food. He loves it so much he has dedicated an entire book to the subject." Verification Source #2: "In his newest book, Jim Gaffigan takes on his favorite topic: food." Verification Source #4: "That was the beginning of many conversations about Jim's favorite topic: FOOD." Verification Source #5: "The New York Times bestseller from the comedian and author of Dad Is Fat takes on Jim Gaffigan's favorite topic: food."
• The statistic about the percentage of overweight Americans is not covered by any of the provided sources.