Washington, Nov. 14 -- US Treasury Secretary Scott Bessent has said his agency had long supported putting Megaspeed on a trade blacklist but the responsibility rested with Commerce Secretary Howard Lutnick, as scrutiny over the company intensified following Nvidia CEO Jensen Huang's ouster over his relationship with the firm's founder Alice Huang. Bessent's comments were an unusually public rebuke of the Commerce Department, which oversees US controls over exports of sensitive goods.P17...