Despite his opposition to Blair's government on issues like the Iraq War, Livingstone was invited to stand for re-election as Labour's candidate and was re-elected in 2004, expanding his transport policies,
introducing new environmental regulations, and enacting civil rights policies.
On the first full day of legislative business, House Republicans
introduced measures on Wednesday to block the
environmental agency's proposed
regulation of greenhouse gases and
new rules limiting toxic air emissions from cement factories.