Brussels, 24/03/2011 (Agence Europe) - The backdrop to the tripartite Social Summit on Thursday 24 March was a trade union demonstration that paralysed the centre of Brussels, protestors denouncing austerity measures and expressing the concern that rights acquired might be brought into question. After the meeting, European Commission President José Manuel Barroso, European Council President Herman Van Rompuy, and Hungary's Prime Minister Viktor Orbán said they had received the...