51.   But, although many authors appear to be optimistic about technological developments, morally and ethically most seem to be pessimistic.

52.   People who are erm bright and optimistic about unemployment are really talking about exceptional cases.

53.   Although he did not divulge details, Vallone said he was optimistic about reaching a budget compromise, four months into the fiscal year.

54.   Although her descriptions of the city are tinged with despair, Ms. Wilson Wesley is stubbornly optimistic about its future.

55.   Amazon said it was a great deal more optimistic about its financial performance than it had been three months ago.

56.   Although Chandler said she was cautiously optimistic about getting everything in place, others are less upbeat.

57.   Although deregulation and increased competition presents a tougher market for many municipal utilities, some bond investors remain optimistic about the prospects of their debt.

58.   Although Nabel is optimistic about the prospects for his vaccine he points out that diseases often thwart the best effort of medical research.

59.   Although other economic reports released Friday were mixed, analysts said the surge in confidence is a clear indication consumers are becoming more optimistic about the economy.

60.   Although he is generally optimistic about a deal being reached, Pollin said the owners must get a fair deal.