Rob Siegel and Carol Kolb Rob Siegel and Carol Kolb of The Onion. It's a weekly national newspaper and Web site. The satirical tabloid-style dispatch has headlines like "Lowest Common Denominator Continues to Plummet" and "U.S. Vows to Defeat Whoever It Is We're at War With." Siegel is The Onion's editor-in-chief and Kolb is the senior editor. The Onion began in 1988 as an alternative weekly newspaper and went online in 1996.