There is also a Middle Common Room for mostly Postgraduates , who are usually members of the JCR as well .
Two of these positions , those of JCR President and Bar Steward , are sabbatical .
There is also a JCR     for mostly Postgraduates , who are usually members of the JCR as well .
Two of these positions , those of JCR President and Bar Steward , are sabbatical .