Key findings: "The head-to-head numbers have held remarkably steady through the past three weeks, but there's been a notable shift of intensity from the Democrats to the Republicans since the party conventions over a month ago... Among those extremely likely to vote, Romney actually leads Obama 52% to 46%. That's up from a 2-point lead last week."
Most of the survey's calls were made before Romney's strong performance at the first presidential debate in Denver.