"One swallow doesn't make a summer."
"Don't count your chickens before they're hatched."
"There's many a slip 'twixt cup and lip."
"It ain't over 'til it's over."
All of these things are true. Cliches, to be sure, but they're cliches for a reason. The concepts that they embody have been tested - and, by and large, they have been deemed to be correct. So caution must remain our byword. And yet... Rasmussen today reports that the daily snapshot of the race is 47/46.