Herndon officials are considering proposals that would bar Illegal aliens from using the town"s day-laborer center. The town has received two proposals for a new day-laborer site that would check workers" immigration status, Herndon spokeswoman Anne Curtis said. The new site would replace the Herndon Official Workers Center, which is run by the Project Hope & Harmony group and does not mandate legal status. An internal staff committee led by the town manager must evaluate the proposals and determine whether to bring one before the full Town Council, Ms. Curtis said. Town officials in January issued an official request for...