Herald Review – A law allowing online wagering on races at Illinois horse tracks is set to expire Jan. 31. Without an extension and an agreement to pony up more funds, racing dates would be either eliminated or deeply slashed at tracks. Illinois lawmakers could take up the issue when they convene for the fall veto session next week, or discussions could be rolled into a debate over a larger gambling expansion package that has languished in the General Assembly for years. A hearing on a gambling expansion plan, which would add five new casinos and allow slot machines at…