Question time in federal parliament

WHAT WE LEARNED

Today marks the 30th anniversary of the first sitting of parliament in the 'new' building.

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WHAT THE GOVERNMENT WANTED TO SPIN

Australia needs internationally competitive taxes, despite admitting defeat on big business corporate tax cuts.

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WHAT LABOR WANTED TO TALK ABOUT

Is Peter Dutton constitutionally qualified for parliament?

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WHAT THEY SAID

"Given that the prime minister is pretending to dump his signature policy to hang on to his job, when are they going to dump you?" - Labor leader Bill Shorten.

"The iron laws of arithmetic dictate we have not been able to get the rest of the plan through the Senate." - Prime Minister Malcolm Turnbull on his tax cuts plan.

"Does the minister retain enough confidence in the prime minister, his government and its policies to remain as a minister?" - Labor trade spokesman Jason Clare.

"The answer is yes. Let me make it very, very clear - yes, of course there's confidence. Yes, of course. How much clearer can I make it?" - Trade Minister Steve Ciobo, who reportedly voted for Dutton in a leadership spill.

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TWEETED

@GrahamPerrettMP Very helpful of Prime Minister Turnbull to seat Mr Dutton in #QT next to a constitutional lawyer.