Poll shows McCain on top. Obama losing edge

Reuters poll in head-to-head match-ups. See also Rasmussen Poll below this poll.

Obama = 47%
Clinton = 44%
(Obama dropped 11%)

McCain = 46%
Obama = 40%
(Obama drop of 7%)

McCain = 48%
Clinton = 40%
(McCain dropped 2%)
RASMUSSEN POLL: McCain Now Leads By Double Digits:
McCain 51% Clinton 41%
McCain 49% Obama 42%