With this week's revelations about the extraordinary visit to the US gun lobby by One Nation's James Ashby, and Steve Dickson, Morrison's shilly-shallying became untenable.
Michelle Grattan speaks to Deep Saini about the week in Australian politics.
One would think ministerial staff would be particularly alert to Hanson motions, and think very carefully before concluding she was doing something as unlikely as putting forward an anti-racist one.
Senator Pauline Hanson raised concerns about immigration and social cohesion, saying 'more than a million people' in Australia 'cannot speak English well or at all'. Let's look at the numbers.
FactCheck requested sources and comment from Senator Pauline Hanson to support her statement about the number of people in Australia who can't speak English "well or at all".
The storm over a nine-year-old refusing to stand for the national anthem is an indication of how ugly, and misguided, some aspects of national debate have become.
In our frequently depressing and often toxic political climate, Wednesday's bipartisanship was a small but significant and encouraging moment of unity on what we stand for as a nation.
Ahead of Saturday's crucial byelections, senior Labor Party figures have described a vote for Pauline Hanson's One Nation party as a vote for the Coalition. What do the records show?
One Nation leader Pauline Hanson said Australia is "the highest-growing country in the world", with population growth "double than a lot of other countries". Is that right?
Clive Palmer believes he can recapture the magic that saw him elected to Parliament in 2013, but what his new party – and others on the right – need is more discipline.
Despite its dysfunction and often inconsistent policy positions, the party has cemented an influential place in the federal arena, albeit a status that’s on the verge of diminishing drastically.
It's been another colourful week in federal politics, highlighted by Greg Hunt's swearing, the Barnaby Joyce saga taking yet another turn, and One Nation falling apart at the seams.
The focus raises questions about the motives behind the inquiry and how it might benefit anti-ABC crusaders, including Pauline Hanson.
Tim Storer has one hell of a decision to make shortly after the May budget, when the government plans to bring back its legislation to give tax cuts to big business.
Tony Abbott described Pauline Hanson as 'a remarkable and a resilient presence in our public life for more than two decades'.
Conservatives are often critical of 'identity politics' for silencing dissenting views. But on ABC's Q&A on Monday night Malcolm Turnbull presented a very narrow vision of national identity.
The seemingly disproportionate media attention given to One Nation is the result of a potent news-making brew.
Voters in Queensland and the rest of Australia may need to accustom themselves to a new norm of tight, drawn-out contests, where party leaders’ election night speeches might be obsolete.
One Nation Queensland leader Steve Dickson said 'up to 21 fathers' are taking their lives in Australia every week. Is that accurate?
The Fraser Anning defection follows weeks of tension with Pauline Hanson and her adviser James Ashby, and a bitter clash at the One Nation party meeting on Monday morning.