And there are those that will defend their ignorance (whether intentional or stubborn) no matter what - We will not convince them with facts, sense or reason.

Like for example, when Gore shows the nice graphs of temp and CO2 from ice core data, his ignorance of the subject is evident because he hasn't realized yet that the temperature changes hundreds of years before the CO2 changes.

He also doesn't know that the last 70 years of the sun has seen more sunspot activity than at anytime during the last 8000 years and that there is historical evidence that high sunspot activity has coincided with a warmer earth and low sunspot activity has coincided with a cooler earth. And in fact, ice on Mars is melting and the heating on mars started at about the same time as earth's and it heated up by about the same temp as the earth. I find it hard to accept these as a 'coincidence.'

Kramer

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“It's time to admit that public education operates like a planned economy, a bureaucratic system in which everybody's role is spelled out in advance and there are few incentives for innovation and productivity. It's no surprise that our school system doesn't improve; it more resembles the communist economy than our own market economy."
Albert Shanker, former president of the American Federation of Teachers