Obama leads McCain nationally; he holds a six point lead over McCain – says the CBS News / NYT poll released Wednesday. The poll articulates that the Democratic presidential nominee Barack Obama leads his Republican rival John McCain – 48 percent to 42 percent among registered voters, with 6 percent of respondents undecided.

Conducted from May 30-June 3 thru telephone interviews with 930 registered voters, the CBS News poll reveals that nearly a quarter of Clinton supporters say they will back McCain instead of Obama in the general election. It shows that McCain leads Obama by 8 points – 46 percent to 38 percent, among registered independent voters, with 11 percent of respondents undecided. The poll has a margin of sampling error of plus or minus 4 percentage points.

The USA Today/Gallup survey published yesterday states that Obama has an edge over McCain of 47 percent to 44 percent among registered voters, with the poll's margin of error of plus or minus 4 percentage points. The poll says that McCain was leading Obama 47 percent to 45 percent a month ago. Conducted last week, the poll articulates that Clinton would do better against McCain. Clinton leads McCain 49 percent to 43 percent nationally.