Witnessing both conferences is to see anger from the Republicans and abiding hope from the Democrats.
Democrat mayor and Republican senator symbolise the divide between left and right in the Hispanic demographic.
Republican White House hopeful Mitt Romney romped to victory in the Nevada caucuses, cementing his position as frontrunner to take on Obama.
Frontrunner Mitt Romney and rivals for the Republican presidential nomination will face off in a high-stakes debate ahead of New Hampshire's primary.
Tim Pawlenty has dropped out of the 2012 US presidential race -- a day after a disappointing showing in an early test of strength among his party.
The web was alive with all things Obama ahead of his inauguration in Washington, DC, on Tuesday, as thousands made use of Twitter.
The crowds Obama drew gave a glimpse of how Americans can come together for change.
US president-elect Barack Obama and vanquished rival John McCain met on Monday for the first time since the November 4 election.
Of all the charges hurled at liberalism in America since the 1970s, few have proven as potent as the allegation of "liberal hypocrisy".
The election of the first black president in US history should send a powerful signal to young black Americans: If Barack Obama made it, so can you.
(Note to postman, in case the inauguration is fast- tracked please forward this letter to the White House in Washington)
When George Bush acts as host to Barack and Michelle Obama on a visit to the White House on Monday, it will be an increasingly rare event.
Sarah Palin's supporters want her to run for president, but to millions of others she is an embarrassing joke.
When Bush and Obama meet at the White House on Monday for the "psychological transfer" between them, the moment has potential for awkwardness.
At 8 o'clock last Monday morning, the day before he was to become president elect, learned that the woman who had raised him was dead.
"I wish you would make up your mind, Mr Dickens. Was it the best of times or was it the worst of times? It could scarcely have been both."
Look back at the polls just two months ago and you will see that John McCain was nipping at Barack Obama's heels in the race to the White House.
As early risers made their way to work on Wednesday they were greeted by chants of "Obama" from the terrace of Giles restaurant in Johannesburg.
The Troyeville Hotel heaved with party people on Wednesday night as hundreds turned up to celebrate Barack Obama's White House win.
As US election day approached, both presidential candidates were given a CIA briefing, sketching out the shape of the world the winner would inherit.