Tzipi Livni and spoke to Livni, reassuring her that she was "most welcome in Britain any time." Livni's office later stated that Brown promised to seek legislative changes to ensure no Israeli official would risk arrest while on British soil. Yehuda Blum, Israel's former ambassador to the United Nations and a professor of law at Hebrew University of Jerusalem, commented: "The abuse and misuse of this concept of universal jurisdiction should be discontinued." Blum said the law was intended for use in cases with no clear jurisdiction, such as piracy in international waters, and should not be expanded for political aims. Israeli
Kadima However, it was not immediately adopted, and the party was initially named "National Responsibility" (Hebrew: , "Ahrayaut Leumit"), which was proposed by Justice Minister Tzipi Livni and enthusiastically endorsed by Reuven Adler, Sharon's close confidante and strategy adviser. Although "National Responsibility" was regarded as provisional, subsequent tests conducted with focus groups proved it much more popular than "Kadima". "National Responsibility" seemed certain to become permanent. Surprisingly, however, it was announced on 24 November 2005 that the party had finally registered under the name "Kadima". The title "Kadima" has symbolic meaning for many Israelis who associate it with the battle-charge of