Last night, Donald Trump became the first ever former US president convicted of a felony. He’s also the first presumptive major-party nominee to become a convicted felon. Found guilty on all 34 counts of falsifying business records, the jury came to the decision after 9.5 hours of deliberations. With the US election just six months away, the historic ruling will no doubt have far-reaching implications. Current polling puts Trump head-to-head with Joe Biden, but he currently holds a slightly edge in some key swing states that may well have decided the election. But this conviction could change …