WASHINGTON (AP) — President Donald Trump lashed out at Sen. Bob Corker as "Liddle' Bob Corker" on Tuesday, escalating a feud with the Tennessee Republican who's dubbed the White House an "adult day care center" and charged that Trump could be setting the nation on the path toward World War III.

Fellow GOP senators, treading carefully, avoided siding with Trump or with Corker. But leading lawmakers called on both men to end a quarrel that could imperil the Republican agenda on Capitol Hill. Trump will need Corker if he is to get big tax changes through the Senate, where the narrow GOP majority...