Liberty and Prisa Amend Terms of Business Combination, Announce Commitment of Institutional Investors NEW YORK and MADRID, Spain, Aug. 4, 2010 (GLOBE NEWSWIRE) -- Spain Promotora de Informaciones, S.A. ("Prisa") (MCE:PRS.MC) and Liberty Acquisition Holdings Corp. ("Liberty") (NYSE Amex:LIA) (NYSE...