Donald Trump has made history again, becoming the first US president, sitting or former, to be a convicted criminal. Late on Thursday a New York jury found him guilty on all 34 counts of falsifying records to cover up a sex scandal. Within minutes of leaving the courtroom, Trump said he would appeal. On a historic night for American politics, Jonathan Freedland and Sam Levine look at what the verdict will mean – both for Trump himself, and for the election in November