Amid the US' economic woes, many Americans want to see the president taking on China, which they view as a threat to their economic supremacy.
US Vice President Joe Biden and his Republican challenger Paul Ryan locked horns over the deadly attack on the US consulate in Libya's Benghazi immediately after their debate began.
US Vice-President Joe Biden is "fired up" about his upcoming debate with Republican vice presidential nominee Paul Ryan.
Nationally televised debates of US presidential candidates are usually boring stalemates - but not always. Former US president John F. Kennedy famously looked cooler and more presidential than his rival Richard Nixon in their 1960 debates, which proved crucial in one of the closest results in US election history. Another former US president Jimmy Carter lost big to Ronald Reagan in 1980 and former US vice-president Al Gore's supercilious sighs clearly tilted support to former US president George W. Bush in 2000 when the latter needed it most.
His nomination now official, Republican presidential challenger Romney hopes he can turn Americans' frustration into a victory over Obama.
US Republicans are preparing to unleash an aggressive publicity effort at the Democratic convention in Charlotte, North Carolina this week.
US congressman Paul Ryan accepted the Republican Party's nomination as vice president contender.
GOP nominates Romney as presidential candidate
Increased Chinese investment in the US and more trade missions by US officials seeking opportunities in China have brought the countries closer than ever.
Mitt Romney on Tuesday secured US Republican Party's presidential nomination during a roll call vote at the party's national convention.Romney sticks to Obama songbook on China.
Convention gives contrasting views
US Republican vice presidential candidate Paul Ryan put a personal spin on the debate over Medicare, bringing his 78-year-old mother on stage at a speech.
Mitt Romney's campaign announced it had raised $7.4 million online in three days after the formal announcement of Paul Ryan joining the ticket.
Americans' initial reaction toward US Republican presumed nominee Mitt Romney's selection of running mate gained lowest rating in more than two decades.