Incoming European Commission President Barroso next to European Parliament President Borrell at the start of a meeting with party chiefs in the EP in Brussels. Incoming European Commission President Jose Manuel Barroso (R) sits next to European Parliament President Josep Borrell (L) at the start of a meeting with party chiefs in the EP in Brussels October 21, 2004. European socialists vowed on Thursday to lead an all-out rebellion against the new European Commission of Barroso unless he meets concerns over controversial Italian European commissioner nominee Rocco Buttiglione. REUTERS/Yves Herman