Former US Vice President Mike Pence has ruled out endorsing Donald Trump – his ex-boss – in this year’s presidential election. Speaking on Fox News, Pence said: “It will come as no surprise that I will not be endorsing Donald Trump this year.” He said his former boss “is pursuing and articulating an agenda that is at odds with the conservative agenda that we governed on during our four years”. But in a blow to Trump’s adversary, Pence said: “I’m going to keep my vote to myself – I would never vote for Joe Biden.” Trump has received endorsements from Primary opponents, Republican ‘big names’ an…