Joe Biden’s rival Bernie Sanders has issued a surprise warning to members of the Democratic Party’s “firing squad” as Donald Trump ramps up his attack against Kamala Harris. Sanders, 82, conceded Biden is “old, prone to gaffes, walks stiffly and had a disastrous debate with Trump” but insists the 81-year-old needs the support of Democrats now more than ever. Taking aim at members of the so-called “firing squad”, Sanders said: “Biden may not be the ideal candidate but he will be the candidate and should be the candidate. “And with an effective campaign that speaks to the needs of working famili…
