“Members of the Kennedy family will appear en masse and in force to endorse President Biden at a campaign event in Philadelphia on Thursday,” Axios reports. “It’s a public display of support that reveals a weakness Democrats privately acknowledge: Biden is likely more at risk from Robert F. Kennedy Jr.’s third-party challenge than former President Trump is.” Bloomberg: “Biden will be introduced by Kerry Kennedy — the sister of the third-party candidate — and joined by fellow siblings including Kathleen Kennedy Townsend, a former Maryland lieutenant governor; filmmaker Rory Kennedy; former Congressman Joe Kennedy II, Christopher Kennedy, and Maxwell Kennedy Sr.”