VANCOUVER, April 30 : Homelessness advocates and hotel workers rallied outside the FIFA Congress in Vancouver on Thursday, criticizing the city's preparations for the upcoming World Cup and warning that vulnerable residents and workers are being ignored. Protesters from an anti-FIFA coalition said a displacement of homeless people had already begun, citing street sweeps, restrictions on tents and the loss of belongings.  They demanded no police sweeps of encampments or World Cup-related