Taoiseach must tread carefully amid tensions before Trump meeting

Defence, the Palestinians and Irish-American trade will all be on the agenda as Micheal Martin heads to Washington

St Patrick's Day has long been one of the sacred moments of the Irish-American calendar with more than 200 years of parades in New York and a shamrock reception at the White House launched by Dwight Eisenhower in 1953 to cement political ties between the two nations.

But this year's annual meeting between the taoiseach and the US president, a week early because of a congressional recess on 17 March, is laden with anxiety over the future of Ireland's economy, which is heavily reliant on US multinationals Donald Trump wants to repatriate.