Big bank chiefs are testifying before a Senate committee Wednesday. One of the first questions, from Ohio Sen. Sherrod Brown, was about a unionization effort underway at Wells Fargo. Workers at two branches in Albuquerque, N.M. and Bethel, Alaska, last month filed with the National Labor Relations Board to hold votes on whether to unionize, [The Wall Street Journal reported](https://ift.tt/w4dTuml).
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