Free Republic

Al Gore maintains that he won't seek the Democratic nomination for president in 2008 -- but his actions seem to belie his words. Gore has kept himself very much in the public eye as the White House races kicked into gear, providing plenty of evidence that he's eying another run for president: His award-winning global warming documentary "An Inconvenient Truth" brought him back into the limelight last year. His new book "An Assault on Reason" is a best seller, and when he launched his national book tour in May, one observer said the event seemed "more like a campaign stop...

What you probably won't hear at the Live Earth concert: a call for higher taxes on gasoline and fuel. The current crop of US presidential candidates can only wish for the spotlight that will shine on Al Gore Saturday. He's the luminary for a globe-spanning, rock-star-studded, anti-global-warming concert called Live Earth. Most likely, though, his most radical idea won't get a mention. The former vice president (and almost president) wants to replace the current payroll tax with a consumer tax on fossil-fuel use. This "carbon tax" would, of course, raise the price of gasoline and home heating/cooling. And it would...