When you take an objective view, they are all worthy of a used-car salesman and not a presidential candidate. Igor Volsky wrote in Think Progress:
At Last Night’s Debate: Romney Told 27 Myths In 38 Minutes
Pundits from both sides of the aisle have lauded Mitt Romney’s strong debate performance, praising his preparedness and ability to challenge President Obama’s policies and accomplishments. But Romney only accomplished this goal by repeatedly misleading viewers. He spoke for 38 minutes of the 90 minute debate and told at least 27 myths:
Go to Think Progress to read the article. My only problem was that I was getting used to the press and politicians calling a lie a lie and not being politic by referencing things like myths. But I suppose that when the GOP tells the same lies over and over again they do begin to reach mythological status.
A Celebration of Reading 