 Complete the following phrase:  In May 1994, after Serb forces invaded safe zones established by the United Nations Protection Force, Clinton authorized air strikes against Serb positions. The air strikes did not end Serb advances, and in July 1995 over 8,000 Bosniaks were killed in the Srebrenica massacre. Clinton and National Security Adviser Anthony Lake formulated a plan to end the genocide in Bosnia, with the key part of the plan being a major NATO air campaign against the Bosnian Serbs. After Clinton won the support of European leaders for the campaign, NATO launched 