The impeachment investigation of US president Donald Trump has formally started, but much has changed since 1974, when Richard Nixon was forced out of office.
Senate Majority Leader Mitch McConnell is known as a master of Senate rules. If the House impeaches President Trump, what could he do to influence the process – and outcome – of a trial?
Are Republican leaders overestimating the extent to which the public wants them to defend Donald Trump?
A former congressional staffer says withholding damning evidence from Congress and using civilians to carry out presidential or intelligence agency agendas links the Ukraine crisis to other scandals.
The Founders saw impeachment as a regular part of ensuring presidential accountability. A constitutional scholar offers a possible process for a rapid and smooth impeachment inquiry.
Sen. Warren said the filibuster stands in the way of gun reform. It does, and so much more.
Polls show Americans want gun control, but it isn't a top-line issue for voters.
Notionally, Labor will need a 0.6% swing to win the next election. But the details make it much more complicated - and difficult.
The government's proposed income tax cut plan has put Labor into a bind and Pauline Hanson into a hissy fit.
After strong results in the 2019 election, the Coalition is likely to have 35 of the 76 seats when the Senate next sits.
In an interview with The Conversation, Frydenberg refused to be drawn on what the government would do if unable to get the whole bill through.
We now wait for the final count of seats in the House of Representatives and the Senate - and in the meantime, government continues.
How did the numbers of election 2019 fall across the country? And what seats are still in play?
With the higher quota at a half-Senate election, parties probably need at least 5% of the vote to be in contention for a seat at this election.
The Greens' fortunes have fed off Labor's performance: a weakened Labor means more support for the Greens. But this election the party is more likely to maintain its parliamentary presence.
Tim Colebatch on the battle in Victoria - and the Senate.
Colebatch says three Victorian seats are "pretty certain" Labor wins - Dunkley, Corangamite and Chisholm. A number of others "are really open" - Casey, La Trobe, Deakin, Flinders and even Higgins.
Seat polls are notoriously unreliable, and the support shown for the United Australia Party in recent polls is likely to be overstated.
Unchastened by his experience in federal parliament between 2013 and 2016, Clive Palmer and his United Australia Party are back - and beginning to make their presence felt in polling.
Most Congresses since the 1970s have passed more than 500 laws, ranging from nuclear disarmament to deficit reduction. Will today's bitter partisanship hamstring the new Congress' productivity?
Soon we'll have a better idea of what we are buying. There are no penalties, but "naming and shaming" might make Australia's Modern Slavery Act work.