By ASSOCIATED PRESS
CAIRO — Al-Qaida's offshoot in Yemen urged Muslims to revolt against Arab rulers and establish governments based on Islamic law, according to an audio tape posted Saturday on militant websites.The appeal came at a time of growing political unrest in the Arab world. Popular uprisings have deposed the leaders of Tunisia and Egypt, and anti-government protests are gaining momentum in Libya, Yemen and Bahrain.Finance Minister Smotrich meets Histadrut Chairman Bar-David