Donald Trump effigy burns in San Francisco

1 Protests ignite – literally – at Republican state convention

Donald Trump may have snuck in to speak at the California Republican convention in San Francisco, but protesters still managed to make their feelings known.

Bullhorns in California.
Bullhorns in California. Photograph: Noah Berger/Reuters

That was not the easiest entrance I’ve ever made ... It felt like I was crossing the border, actually. I was crossing the border, but I got here.

Donald Trump on crossing a highway median to enter the California party convention

2 Advisers who exercised not-so-great judgment ...

The two men hired by Trump and Ted Cruz worked to elect a Guatemalan presidential candidate whose platform included a call for public executions.

Although Ron Nehring and Tim Clark are now on opposite sides of the Republican presidential race, they have been close associates for several years.
Although Ron Nehring and Tim Clark are now on opposite sides of the Republican presidential race, they have been close associates for several years. Photograph: Max Whittaker/The Guardian

3 Melania Trump’s ‘defenders’ take it too far

After writing a profile of the potential first lady, a journalist has received a torrent of antisemitic and threatening messages from supporters of the Republican frontrunner.

The former Ms. Knauss/Knauvs.
The former Ms Knauss/Knauvs. Photograph: Spencer Platt/Getty Images

4 Obama warns of ‘climate refugees’

The Obama administration has warned that the US will need to deal with a wave of “climate refugees” as the Arctic continues to warm.

This polar bear might end up a “refugee.”
This polar bear might end up a ‘refugee’. Photograph: Miles Barton/BBC

I like and respect all three of the Republican candidates in the field. I particularly want to commend Donald Trump, who I think has given voice to the frustration of millions of working Americans with a lack of progress in Washington DC.

– Indiana governor Mike Pence, endorsing … Ted Cruz?

5 Indiana governor tepidly endorses Ted

Mike Pence told voters that he’s voting for the Texas senator, but his endorsement left much to be desired.

Mike Pence “endorses” Ted Cruz.
Mike Pence ‘endorses’ Ted Cruz. Photograph: Michael Conroy/AP

... And another thing:

Searches for “Lucifer” surged 7,700% following reports that ex-House speaker John Boehner called Cruz “Lucifer in the flesh”.