Science and tech headlines:

• Cambridge Quantum and a segment of Honeywell are merging, and one of their goals is to build the world’s first quantum operating system.
• Scientists at the National University of Singapore have devised a new blood test that uses measurements of light to gauge the effectiveness of a given cancer treatment in 24 hours.

News items:

• A bond selloff continues for two of China’s largest debt issuers, fueling fears of contagion. Rebecca explains why she doesn’t think Beijing will allow them to default.
• George Packer paints a compelling portrait of four separate American “national narratives,” in The Atlantic, and John offers his take.
• Google, a public utility? Ohio’s attorney general is suing the tech giant in an effort to make it so. Rebecca and John hash out their disagreement over the suit’s merits.
• According to The Recode, Facebook’s newsletter subscription service, called Bulletin, will launch later this month. John and Rebecca discuss whether or not it’ll succeed.

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