Republicans rounded on Senate leader Harry Reid on Sunday, calling him a "dirty liar" for suggesting that presidential candidate Mitt Romney paid no taxes for a decade.
Early last month, a group of Democratic congressmen and women held a meeting in the Capitol in Washington DC to get an update on the campaign to re-elect President Barack Obama.
America's emotional debate over the role of the death penalty has taken a strange new twist after a convicted killer has been granted the legal right to insist on his right to be executed.
Republican presidential hopeful Mitt Romney has angrily hit out at claims that he paid no tax for a decade, telling his accuser, Senate majority leader Harry Reid, to "put up or shut up".
The touting of Tim Pawlenty as potential running-mate for Mitt Romney has reignited questions over his refusal as governor of Minnesota to release tax returns during a scandal over payments from a company owned by a close political ally.
A fresh row has broken out over Republican presidential challenger Mitt Romney's vow to extend tax cuts for America's richest people after a study found it would likely see the fiscal burden placed on poorer and working class families increase.
Leon Panetta, the US defence secretary, is meeting political leaders and security officials in Israel, as the country's prime minister, Binyamin Netanyahu, insisted he would take a decision about whether or when to attack Iran's nuclear facilities amid reports that the Israeli military is opposed to such a move.
Palestinian leaders expressed offence and outrage at comments by Mitt Romney during his lightning visit to Israel, in which he said the Jewish state's economic success compared with its Palestinian neighbours was due to "cultural" differences and the "hand of providence", and declared Jerusalem to be "the capital of Israel".
The Obama administration was urged on Monday to stop diverting grain to gas amid warnings of an "imminent food crisis" caused by America's drought.
Former vice-president Dick Cheney said Sunday that having Sarah Palin on the 2008 White House ticket was 'a mistake', urging this year's Republican candidate Mitt Romney to go for someone more experienced.