81.   A heart condition and walking pneumonia make it hard for him to get around.

82.   A single mom of a seven year old, Bridges said her mother and siblings live in the Seattle area, making it hard to leave.

83.   A problem with cochlear implants is they compress sound, making it hard to hear music or multiple conversations.

84.   A trunk covered by ivy can also make it hard to see structural damage from other sources.

85.   A. It is possible that dust, dirt or crumbs have become lodged under the Shift key, making it hard to press.

86.   A vein of good sense runs through the book, but its fatty layer of potted research and sluggish thinking make it hard to get to.

87.   A. The things that make water hard are minerals like calcium and magnesium.

88.   According to Kent Johnson, a tax partner at KPMG, the failure to achieve a two-thirds majority makes it hard for Congress to push though legislation.

89.   After all, the Olmec, whoever they were, made answers hard to come by.

90.   After that, Angleton trusted no one, which made him hard to work with.