Here are some of the hottest and most current stories on Senator Barack Obama’s 2008 Presidential Campaign:

A Challenge Obama Should Accept
Yahoo! News - USA
To his credit, John McCain has invited Barack Obama to join him in a national "town hall" tour over the coming months, without the unneeded intrusion of celebrity journalists, network extravaganzas and all of their irrelevant impertinence. The Arizona Republican insists that he wants a serious debate over the competing ideas and visions of the two parties, rather than the usual petty focus on process issues and gotcha questions.

Obama fights smears with website
The Press Association -
Democrat presidential hopeful Barack Obama has taken the unusual decision to fight back against internet rumours and innuendo being spread by his opponents. Instead of opting for the traditional American electoral tactic of ignoring the jibes he has set up a special website to deny them. Mr Obama, the first African-American to win a major party's nomination for the White House, faces problems new to US presidential politics in a country burdened with a history of racism.

Barack Obama's wife Michelle a 'baby mama' says Fox News
Telegraph.co.uk - United Kingdom
By Urmee Khan The Fox News Channel has been plunged into a new row over Barack Obama just days after a presenter was taken off air following controversial comments about the Democratic candidate. The news network referred to Mr Obama's wife Michelle as "Obama's baby mama", which is considered a derogatory term used for black single mothers. It has been interpreted as a further racial slur on Mr Obama and the latest instance where the Right-wing network has disparaged the Obamas.

Powell tells BC crowd he might vote for Obama
Globe and Mail - Canada
VANCOUVER -- Colin Powell, the former Republican secretary of state, says he is not ruling out a vote for Barack Obama, the presumed Democratic nominee for president. While Mr. Powell served in the administrations of two Republican presidents, he suggested yesterday his support for presumed Republican nominee John McCain is not a forgone conclusion.