Anthropic CEO calls for government intervention to slow AI development. White House AI czar David Sacks counters: top AI labs can voluntarily pause, but forming a regulatory cartel is off the table.

Elsewhere: Fed rate hike odds hit 85%. Trump floated $5,000 payments to every adult. Metaplanet addresses shareholder anger over executive stock options. Blockstream demands hackers return stolen $BTC from Liquid sidechain exploit.