Cruz quits, leaving Trump the likely Republican nominee

Republican front-runner Donald Trump has swept to a commanding victory in Indiana, putting him on a glide path to the party’s presidential nomination as Ted Cruz finally ended his campaign.

Consensus confirmed: 97% of climate scientists agree on global warming

Despite claims to the contrary from the likes of Ted Cruz, there is strong evidence that the overwhelming majority of climate scientists agree that humans are causing global warming, writes John Cook.

Bernie Sanders at his Iowa Caucus watch party in Des Moines. Photo: EPA/LARRY W. SMITH

Four lessons from the Iowa caucuses

Bernie Sanders is a real threat to Hillary Clinton, and Donald Trump’s strategy has some serious flaws – these are just a couple of the lessons from the Iowa caucuses, writes Anthony J. Gaughan.

Cruz upsets Trump in Iowa race

US Senator Ted Cruz has won the Republican Iowa race with 28 per cent of the vote compared with 24 per cent for businessman Donald Trump.