Sara Taylor, a Republican strategist, former director of political affairs for President Bush, and Stephanie Cutter, Democratic strategist and communications director for Senator John Kerry's 2004 White House run.

NPR: Obama Re-Writes History, Clinches Party Nomination

Despite his reputation as a tax cutter, lower rates worked so well Bush became the heaviest tax collecting president in U.S. history.

FORBES: The Problem With Supply-Side Economics

In the House, Bill Thomas, chairman of the crucial Ways and Means Committee and generally an avid tax-cutter, has made sceptical noises about Mr Bush's plan.

ECONOMIST: The budget