If you are looking for "critical thinking" from reliable sources, how about this one from The Independent newspaper (which was named National Newspaper of the Year at the 2004 British Press Awards): "to [McCain's] huge embarrassment, it later emerged that Mr Wurzelbacher is a tax defaulter who does not have a plumbing licence and earns just $40,000 a year, which entitles him to a tax cut under Senator Obama's plans" ?