71.   Investigators told the lawmakers that church arson cases posed several challenges.

72.   Introducing New Standards poses new challenges in staff development.

73.   It also warned that popular pressures for increased social spending and jobs creation will pose a challenge to government efforts to restrain spending.

74.   It is thus likely to pose a challenge to the handful of firms that dominate that business.

75.   It would also pose a challenge for Republicans whose new districts would gain Democratic voters.

76.   Japan-based automakers have fared much better and are posing strong challenges to domestic automakers, analysts said.

77.   Low budget filmmaking in the Himalayas poses a challenge.

78.   Marketing in China also poses some challenges.

79.   Low unemployment and the tendency for many high school graduates to sign up for college instead of the military also pose challenges.

80.   Medical science is posing a challenge to insurance.