POLL-Obama opens 6-point lead over McCain

By Andrew Quinn WASHINGTON (Reuters) - Democrat Barack Obama has opened a 6-point lead over Republican rival John McCain in the U.S. presidential race, according to a Reuters/C-SPAN/Zogby poll released on Sunday. Obama leads McCain by 49 percent to 43 percent among likely U.S. voters in the latest four-day tracking poll, his widest lead since the poll was started on Tuesday. It was up from a 4-point lead on Saturday. The poll has a margin of error of 2.9 percentage points. Pollster John Zogby said Obama's lead was now statistically significant. "As we watch each day, it is clear that he has gone from a 2-point lead to a 3-point lead on up to 6 points," Zogby said. "It is... [read full story]