Grand jury is ‘not a good development’ for White House, Nicolle Wallace says

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Ari Melber, MSNBC’s chief legal correspondent, says that special counsel Robert Mueller is using a grand jury in Washington, signaling that Mueller thinks a crime has been committed in the nation’s capital. Nicolle Wallace, host of “Deadline: White House” on MSNBC, says that a grand jury being impaneled is “never followed by good developments.”