NBC News: ...Ron Klein, who has raised between $200,000 and $500,000 for the president, was registered as a lobbyist last month for Spirit Airlines, a low-cost airline that has been fighting new Obama administration airline regulations. But the Obama campaign has a rule against accepting campaign contributions from federally registered lobbyists.

After the Washington Free Beacon website reported on his lobbyist role today -- noting that he is listed on the Obama campaign's website as one of its bundlers -- Klein told NBC News that his registration with the Secretary of the Senate last month was a "clerical error" by an employee of Holland & Knight, the Washington law and lobbying firm where he currently works. He will "de-register" with the Secretary of the Senate today, he said....

More here