President of the European Council extended his influence into financial policy, the most important area left to the rotating Council presidency, with the rotating presidency seeing a greater decrease in power than previously planned. Many of the changes introduced with the Lisbon Treaty need concretion through practical implementation by the current actors. The Spanish presidency unsuccessfully tried to challenge the European Council president's prominent post during the first rotating presidency of 2010, while the second half of the year saw a Belgian rotating presidency marked by a weakened caretaker government which did not challenge Herman van Rompuy, himself a Belgian politician. The Belgian rotating presidency
Political positions of David Cameron of view. President Viktor Yanukovych was ousted from power on 21 February by the 2014 Ukrainian revolution and replaced by Oleksandr Turchynov, the screenwriter and economist, and the Yatsenyuk Government was endorsed by the Rada. At a European Council summit in Brussels on 21 March 2014, new Ukrainian Prime Minister Arseniy Yatseniuk and European Union leaders Herman Van Rompuy and José Manuel Barroso, along with the 27 national political leaders or heads of state on the Council, which included Cameron, signed the political provisions of the Ukraine–European Union Association Agreement. The Deep and Comprehensive Free Trade Area was to be