The Obama campaign team has kept up the pressure on Mitt Romney's tricky position on tax, promising to stop hounding him on the subject if he releases five years' worth of returns.
The Republican presidential candidate, Mitt Romney, has rejected a Democratic claim he had paid no tax over a 10-year period, saying that he had paid at least 13% a year.
When Paul Ryan arrives in Tampa Bay on his first visit as the newly announced junior half of Mitt Romney's White House ticket this weekend, he will feel the heat. But it won't be anything to do with Florida's blistering summer temperatures.
Mitt Romney's presidential campaign has been placed on the defensive over proposals by his running mate Paul Ryan to reshape Medicare, the popular healthcare programme for over-65s that has become a hot election issue.
The Obama campaign has attempted to play down the apparent excitement generated by Mitt Romney's new running mate Paul Ryan, a move that boosted crowds at the Republican presidential challenger's events.
You don't say.
Rupert Murdoch joined conservatives in hailing Mitt Romney's vice-presidential pick Paul Ryan on Sunday as Barack Obama's campaign team cranked up its attacks, branding the Congressman as an extremist, right-wing ideologue.