http://www.chicagodefender.com/articles.sec-21-1-our-nation.html WASHINGTON (AP) — For a president who promotes technology at every opportunity, Barack Obama often strikes an awed, self-effacing pose in the presence of technicians, scientists and high tech machinery.]]> WASHINGTON (AP) — The Obama administration is trying to fix a stubborn drag on the economy by making it easier for millions of additional homeowners to refinance their mortgages at lower interest rates even if they owe more than their homes are worth, tackling a difficult issue of vital concern in states key to President Barack Obama's re-election.]]> RICHMOND, Va. (AP) — First lady Michelle Obama on Wednesday told military members and veterans that more medical schools are teaming up to boost training and research on brain injuries and post-traumatic stress disorder.]]> WASHINGTON (AP) — President Barack Obama and his family are marking Martin Luther King, Jr. Day with a volunteer service project at a local school.]]> LOUISVILLE, Ky. (AP) — Muhammad Ali is coming home to Louisville to celebrate another milestone — his 70th birthday.]]>