Warren Schreiber is the long-time board president of Bay Terrace Cooperative Section 1 and a co-founder and co-president of the Presidents’ Co-op and Condo Council, which speaks for upwards of 50,000 co-op and condo residents in eastern Queens. So Schreiber is no stranger to political battles. But lately he’s been seeing a new kind of skirmishing at his co-op, which has a no-pets policy.    Read the article…………………………