By adopting narrow grounds for impeaching the president, Pelosi and House members wanted simple charges they could easily explain to constituents, writes Elizabeth Drew

A few months after the 37th president of the United States resigned when faced with the near certainty of impeachment, his one-time senior adviser Henry Kissinger gave his verdict on the former leader of the free world.

There is nothing even remotely unconstitutional about the house’s decision to impeach Donald Trump, writes Noah Feldman.

A joke from the old USSR reported an exchange during a Politburo discussion about a ten-year plan that almost all those present thought was progressing satisfactorily. “Yes,” grunts a dissenter steeped in Marxist theology, “it’s very, very successful in practice, but the theory is all wrong.”

The case against Trump is very different to that against Nixon and Clinton as US foreign policy is at its very core and it comes at a time of rising global instability, says Carl Bildt

I’ve followed and studied politics all my life.

If the US president is impeached, as seems likely, his name will be blackened in history, and the scandal may be as big as Watergate, in 1974, says Elizabeth Drew.

America’s Democrats have made a serious mistake by launching impeachment proceedings against President Donald Trump, writes Eric Posner

As tensions ramp up between nuclear-armed rivals India and Pakistan, and peace talks in Afghanistan reach a crucial stage, the Trump administration has some difficult choices to make, writes Richard N Haass

A citizen of this fair Republic need not be afflicted with Richard Nixon grade paranoia — or cynicism — to imagine that though we present hurling as our national game that the truth lies elsewhere.

Like Donald Trump, Richard Nixon tried to stonewall congressional investigations into crimes allegedly committed in the White House.

Many US presidents didn’t see eye-to-eye with their top spies, but none has came close to the damage being wrought by the current incumbent, writes former public affairs director of the CIA, Kent Harrington.

The pervasiveness of state-sponsored killings is no excuse for treating murder as acceptable, ever, writes Jeffrey D Sachs.

If I mention the race for the Áras, will you turn the page? You won’t? Many thanks.

If conservative Brett Kavanaugh is appointed, he could weave president Donald Trump’s agenda into the fabric of American society for generations, writes Bette Browne.

We will soon mark the 10th anniversary of the collapse of Lehman Brothers — the event that more than any other sparked what has now become known as the Great Recession.

He has made bold decisions, but that’s not the same as being a good leader, as his motives have been to consolidate his own power in the US, says Scott Cowen.

The Oval Office has rarely if ever been occupied by men without blemishes of one kind or another on their character.

The Minneapolis Tribune called it a masterpiece. Thirteen-year-old me couldn’t but agree.

Diplomacy, the only alternative to war, is about meeting your enemy, and that is not a sign of weakness. Donald Trump is right to meet Kim Jong Un, says Peter Van Buren

Some years ago, the newspaper industry came together to digitalise archives of printed newspapers. Millions of pages, tens of millions of stories, reaching back to 1738, all adding up to the first draft of Irish history, were centralised in a way that secures the data and assures public access.

He felt stung by the politics that helped define his life - but in death, the Rev Billy Graham received a rare tribute from America's top political leaders under the Capitol Rotunda in Washington DC.

THE death of Billy Graham has robbed the United States of its most notable evangelist.

Former White House adviser Steve Bannon has described former US president George W Bush as bumbling and inept, criticising his "destructive" presidency from 2000-2008.

The power to pardon in now in the hands of an unstable narcissist whose use of the executive perogative could cause profound damage, writes Ruti Teitel

IT would be refreshing for the media to once in a while write something positive about Donald Trump, the president, or Donald Trump, the man.

“We Come On The Ship They Call The Mayflower

JOHN Mindermann is part of an unusual fraternity. A former agent with the Federal Bureau of Investigation (FBI), now 80 and retired in his hometown, San Francisco, he is among the relative handful of law-enforcement officials who have investigated a sitting president of the US.

"Lordy, I hope there are tapes," Mr Comey declared at a congressional hearing.

Former president of the United States, Richard Nixon, ensured Father’s Day carried the weight of law.

With reports of nervous White House staff trying to hide from a screaming president who spends his day in front of the TV, Elizabeth Drew looks at the possible way forward.

THE Trump presidency is imploding. 

Though many are comparing Trump’s sacking of the FBI director to Nixon’s infamous ‘Saturday Night Massacre’, the political landscape is very different now, writes Sean Wilentz

As Donald Trump’s offspring feel the glare of world attention, Andrea Mara looks at the fortunes of the other progeny of previous White House occupants

It took investigators two years to break Watergate, and six years to uncover Iran-Contra, writes Tim Weiner. There is no guarantee the probe into Russia and the 2016 election will move any quicker

“Doubt is not a pleasant condition, but certainty is an absurd one,” wrote Voltaire.

The former Exxon Mobil oil giant boss has more influence than most presidents and knows how to cut a deal. He would be an able secretary of state, says Amir Handjani