US President Barack Obama (right) and Republican challenger Mitt Romney shake hands following their first debate at the University of Denver on October 3. Three weeks before election day, the White ... more 

US President Barack Obama (right) and Republican challenger Mitt Romney shake hands following their first debate at the University of Denver on October 3. Three weeks before election day, the White House race between Obama and Romney remains statistically tied, with Obama maintaining just a slight advantage, a new opinion poll found less