Asked what work John McCain did as chairman of the Senate Commerce Committee that helped him understand the financial markets, the candidate's top economic adviser wielded visual evidence: his BlackBerry.
"He did this," Douglas Holtz-Eakin told reporters this morning, holding up his BlackBerry. "Telecommunications of the United States is a premier innovation in the past 15 years, comes right through the Commerce Committee. So you're looking at the miracle John McCain helped create and that's what he did."