I'd believe Barney Frank or Jim Jeffords before I'd believe a politician or bureaucrat from a socialist country.
But they are from a socialist country. Everytime time the government props up a company like Chrysler with money to keep it running and its labor force employeed or anytime someone needs to go on unemployment to provide food and shelter for their family because the economy took a nose dive and there were lay-offs involved, socialism is involved.
No country is either 100% socialist or 100% freemarket. It's a question of degree.
Again, credibility isn't a rightie or a leftie thing. In my exerience, you are just as likely to find people of equal degrees of credibilty no matter what side of the fence they come down on. I know just as many people of integrity on the left as I do on the right and the same is true with regards to a lack of integrity.