STOCKTON — The field trip arrived late Wednesday morning at Casa de Esperanza, dropped at the door by a diesel/electric hybrid bus donated for the day by the San Joaquin Regional Transit District.Among those pouring out of the vehicle were officials from multiple federal agencies, local elected leaders, representatives from several nonprofits and the CEO of the developer that built Casa de Esperanza, which translates to “House of Hope.”[gh:style].embed- [...]