DEAR AMY: My brother-in-law (my sister’s husband) was a county commissioner for four years in our town and county. His reputation is that of an upright and solid citizen. Until recently, my brother-in-law was a member of a weekly poker playing group that my husband is familiar with. My husband knows the members of this group. My husband was informed by another member of the group (who is also a fairly close friend of his) that my brother-in-law was banned from the group after being caught stealing chips. Should I say anything about this to my sister, who may or may not already know? \- Torn Ab…