Do these sentences have the same meaning?
The U.S. government and private technology experts warned Wednesday that hackers plan to attack thousands of Web sites Sunday in a loosely co-ordinated " contest " that could disrupt Internet traffic .
THE US government and private technology experts have warned that hackers plan to attack thousands of websites on Sunday in a loosely co-ordinated " contest " that could disrupt Internet traffic .

OPT: 1. no 2. yes
2.