Merkel greeted by protests in Greece

The European Union's finance ministers are still trying to figure out how they can support struggling banks, and how they can prevent an economic collapse.

Seventeen countries use the euro. Now, 11 of them want to impose a tax on financial transactions. Those countries -- led by France and Germany -- say the tax will curb risky investments and bail out banks when they need it.

The tax has not been approved and faces opposition from Britain and the Netherlands.

David Williams, president of the Taxpayers Protection Alliance, discussed that and other issues on Capital Insider.