71.  Why is theater such a potent political force in so many cultures?

72.  With MCI, BT becomes a potent force in the U.S. phone market less than a year after that market was opened wide to competitors.

73.  With warplanes flying freely over them, Bosnian Serbs are faced with a considerably more potent force than the artillery pieces that surround Sarajevo.

74.  Yet Masur recalls the Thomanerchor as a potent force for renewal.

75.  Punk rock became a potent sales force with Green Day and Offspring, as a youthful generation picked up on the violent thrill of moshing and body surfing.

76.  Bartholomew, seeking to instill an environmental ethic in his faith, strongly believes an alliance between scientists and religious leaders could create a potent ecological force.

77.  But he remained a potent force in Tanzanian and regional politics.

78.  But labor activists remain a potent anti-government force, claiming restrictive laws prohibit free union activity.

79.  Genoa, desperate for a win to avoid demotion, could have difficulty containing the potent Juve strike force without suspended sweeper Gianluca Signorini.

80.  However, he warned that civilian deaths in Afghanistan could create social instability in neighboring countries where anti-American sentiment is already a potent force.