Huge worries about global trade are being brought to the table at this week's G20 summit: It's at its lowest level since the Second World War and some countries stand accused of threatening free trade and globalisation itself by putting up restrictions to protect their own jobs and interests. India's banned Chinese toys, China has banned various European goods and there are 'buy American' initiatives in the US. Baroness Catherine Ashton is the EU Commissioner in charge of trade. Zeinab Badawi asks her how much is the EU to blame?