Among likely voters, Obama-Romney close

Last week’s Democratic convention helped President Obama improve his standing against Republican Mitt Romney with all voters but failed to change underlying public perceptions of his job performance, according to a new Washington Post-ABC News poll.

Among the smaller, more rigorous, sample of likely voters the presidential race remains exceedingly close, but the survey also shows when compared to Romney Obama is gaining strength on key issues in the campaign. [cont.]

Dan Balz and Jon Cohen, Washington Post