Barack Obama, coming from a background with little or no experience in economics, finance, business, tax policy, and entrepreneurship became President at a time when the economy was (and still is) the central challenge.

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He is credited with helping GM strengthen its position and voice on Capitol Hill, and with its many regulatory agencies, on a wide range of business challenges related to energy, tax, labor and finance policy.

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However, the Obama administration has clashed with big businesses on a range of issues over the past two years, including tax policy, health care and Wall Street reform, campaign finance and climate change and energy policy.

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