71.   However, a host of thorny issues must be resolved, ranging from the environment to abortion.

72.   However, it leaves several thorny issues unresolved.

73.   Humanae Vitae dashed the hopes of many Catholics who believed church fathers might be willing to amend religious teachings on certain thorny contemporary issues.

74.   However, it may be in the origins of affirmative action that Americans may find common ground on such a thorny issue, according to experts.

75.   If cholesterol sounds like a thorny issue, consider oral contraceptives.

76.   In his education press conference, Masterly Mitt took some thorny issues head on.

77.   In any case, city employees will be watching more closely as the commission once again tackles this thorny issue.

78.   In the past, U.S.-Mexican relations have been strained by the thorny issue of drug trafficking.

79.   Indeed, the Internethas helped tear down walls by offering ecumenical chat rooms where Christians, Jews, and Muslims can wrestle with thorny issues.

80.   Instead, he would announce that the thorny issue should be left to the final stage of peace negotiations.