THERE were plenty of red flags — of the warning, not the socialist, kind — the minute Robert F Kennedy Jnr threw his hat into the US presidential campaign, first as a Democrat, then switching last October to run as an independent. Those warnings reached their most bizarre apex — or possibly nadir — on Friday when Kennedy held a long and rambling press conference, during which he announced he was suspending his campaign and would endorse Republican presidential candidate, Donald Trump. “In my heart I no longer believe I have a realistic path to victory,” Kennedy said, although he will keep his name on the ballot in safe states where he cannot act as a spoiler.

The press conference, streamed live online, was described as Kennedy’s “address to the nation,” although only around 35,000 watched out of a US population of just over 345 million. Kennedy is a scion of the famous family that produced US president John F Kennedy and his younger brother Robert F Kennedy, who was US attorney-general in his brother’s administration, then a presidential candidate in 1968, before he, too, was assassinated. RFK Jnr, the latter’s son and namesake, never makes a speech without invoking his father and uncle, as if we might otherwise question whether he has any integrity of his own.

He did not disappoint on Friday, mentioning them three times during the first 10 minutes and six times in total. He opened with a skewering of the Democratic Party, accusing it of abandoning democ.