Well, enjoy living life with the glass half empty.
The Rasmussen poll is more recent. The Mason Dixon one was taken last week, during the height of the financial crisis news.
http://www.palmbeachpost.com/blogs/content/shared-blogs/palmbeach/floridapolitics/index.html
A Mason-Dixon poll (see it here) conducted last Tuesday through Thursday and released today shows Democrat Barack Obama with a 47-to-45 percent lead in Florida over Republican John McCain.
A Rasmussen poll taken Sunday and released late Monday showed McCain with a 51-to-46 lead in Florida.