Standing by for Trump announcement as sources say he will back down in fight over census citizenship question; Trump questioning whether self-defense news conference by labor secretary was sufficient; Speaker Pelosi tries to tamp down concerns about rift with Rep Ocasio-Cortez and other female democrats; Rep Ocasio-Cortez complains Pelosi is "singling out" democratic women of color, calls it "Disrespectful"; House judiciary committee authorizes subpoenas of Trump officials related to obstruction, immigration; Immigration rids on undocumented families to start Sunday; Top democrats tamp down expectations ahead of Mueller hearing; New Orleans floods tropical storm Barry strengthens; Standing by for Trump announcement as sources say he will back down in fight over census citizenship question; Directs commerce department to seek data through other sources; Trump directs commerce department to seek citizenship data without asking question on census; via Knit