ATLANTA: No talks are scheduled and none are planned to break the deadlock in the strike that is crippling UPS. TIME's Jef McAllister says President Clinton, stung by flak he took for intervening in the baseball strike two-and-a-half years back, won't be stepping up to this plate any time soon. It's enough to make you go back to the U.S. Postal Service. First a FedEx jet crashes and burns to a crisp in Newark, leaving all packages on board well done. Now a United Parcel Service walkout has managers handling a small fraction of usual deliveries, as the stalemate becomes a stage for the Labor vs. Corporate America battle over the use of part-time workers to cut costs and stay competitive in the way-new global economy.