QUES: An experimental drug can slow the loss of vision caused by an eye disease that is the leading cause of blindness among the elderly , researchers have found .

An experimental drug can slow the loss of vision caused by a maddening eye disease that is the leading cause of blindness among the elderly , doctors reported on Saturday .

The sentences above mean the same or not?
****
ANS: yes

QUES: Government bonds sold off sharply after Greenspan told Congress on Tuesday that the U.S. economy " could very well be embarking on a period of extended growth " .

Greenspan told Congress on Tuesday the U.S. economy " could very well be embarking on a period of sustained growth " .

The sentences above mean the same or not?
****
ANS: no

QUES: The FBI is trying to determine when White House officials and members of the vice president ' s staff first focused on Wilson and learned about his wife ' s employment at the agency .

The FBI is trying to determine when White House officials and members of the vice president 's staff focused on Wilson and learned about his wife 's employment .

The sentences above mean the same or not?
****
ANS:
yes