The former director of the Office of Government Ethics said on Saturday that White House press secretary Sarah Huckabee Sanders’s decision to tweet about being kicked out of a Virginia restaurant violated ethics laws. Sanders was asked to leave the Red Hen restaurant in Lexington, Va., on Friday night, but confirmed the incident in a Saturday morning tweet. The tweet also violated the endorsements ban, Shaub argued, since Sanders’s tweet was “an obvious corollary for discouraging patronage." Walter Shaub, the federal government's former top ethics watchdog, tweeted that Sanders's response, which was made from her official White House account, was...