AP poll: Clinton's margin over Obama eroding slightly

From the Associated Press:

WASHINGTON (AP) - An Associated Press-Ipsos poll shows Hillary Rodham Clinton with twice the support from women as her nearest rival but dwindling strength among men. Her margin over Illinois Senator Barack Obama has eroded slightly since the last AP-Ipsos poll in March.

Clinton, a New York senator, is drawing support from four in 10 women - a block that accounted for 54% of the vote in 2004's key Democratic primaries. One in 3 of her supporters cite her experience, the most among Democrats.

Clinton had 33% in the poll; Obama 21%; former Vice President Al Gore, who so far is not a candidate, 20%; and former North Carolina Senator John Edwards.