Just when you thought great burger debate had abated, Snapchat has arrived to pour more lighter fluid on the grill.
In the debate over whether greenhouse warming has arrived and just how bad it will get, the sun has been a relatively minor factor.
Commencement season has arrived, and with it a perennial debate over free speech on campus.
As the healthcare reform debate continues, we must ask whether our country's collective 'Katrina' movement has arrived.
The prime minister has arrived in Washington for talks with US President Barack Obama as a debate rages within his party about the UK's future within the European Union.
David Cameron has arrived in Washington for talks with President Obama, leaving behind a debate raging among Conservatives about the UK's future in the European Union.
Gun control has arrived at a similar, sudden moment of possible legislative action after perennial debate.
David Cameron has arrived back in the UK after cutting short a trip to Africa to prepare for a Commons debate on the hacking scandal on Wednesday.
"Wow, poker has arrived".
