A federal judge on Wednesday ordered the State Department to produce the e-mail records of Hillary Clinton’s scheduler during her tenure as secretary of state, expanding an investigation being pursued by conservative nonprofit Citizens United into the overlap between Clinton’s official travel and her meetings with foreign Clinton Foundation donors. Citizens United is slated to receive all e-mails sent to and from Lona Valmoro, Clinton’s State Department scheduler, in the two-week periods before each of 14 international trips Clinton took during her four years in office. David Bossie, president of Citizens United, hopes to confirm suspicions that Clinton maintained an...