A new model for going global: Ex-IBM CEO By: CNBC.com News April 01, 2014 at 14:32 PM EDT Former IBM CEO Sam Palmisano offers his vision for a new model for doing business globally. His new book, "Re-Think: A Path to the Future," comes out April 2. Read More >> Related Stocks: Google, Inc. International Business Machines Wal-Mart Stores, Inc.