Congressman Richard Neal issues subpoena for six years’ worth of president’s tax returns

Trump vows to defy subpoenas as Republicans declare Mueller investigation closed

Plan to extend scheme to Irish citizens previously failed to get enough support in Senate

Congressional committee requests six years of president’s tax returns in unprecedented move

Special envoy John Deasy confirms renewed push to secure opening up of E3 scheme

Scrutiny on Trump’s financial affairs and potential links with Russia intensifying

Gap between US imports and exports extends beyond $620bn to reach 10-year high

Congress will not support trade deal with UK that undermines Border, says Taoiseach

America Letter: The US losing the UK’s voice in the EU could be Ireland's opportunity

Washington’s balance of power is changing, and neither party can rest on its laurels

House minority leader dampens hopes Democrats will move to impeach president

Beijing says it cannot accept latest US tariffs on further $200bn of imports from China

President’s outburst prompts alarmed response from fellow Republicans

Ryan is rumoured to be weighing his future, perhaps with a future presidential bid in mind

We look ahead to 2018 and our future relationship with our two key trading partners

New attorney general sworn in as scrutiny of Donald Trump’s cabinet picks continues

House votes 227-198 to adopt resolution to allow pushing repeal Bill through Senate

New House of Representatives Speaker vows not to work with Obama on immigration fix

Burden is far higher on self-employed people than employees

Professor calls for tax rate of 25 per cent on worldwide corporate income