VOICED: Toronto turned into fortress for G8, G20 summits

Toronto's downtown is under strict security due to high-profile meetings, with significant police presence and a wide perimeter. Public concerns arise over these measures, and small groups protest globalization. Meanwhile, international leaders discuss recovery from the financial crisis, facing challenges in reaching consensus on financial regulations and bank taxes, with countries like Australia, Brazil, India, and Canada opposing certain measures.

What challenges are mentioned regarding international consensus on financial regulation?

Why do some countries oppose the proposed bank tax in the context of the financial crisis?