Puerto Rico grid ‘teetering’ despite $3.8 billion repair job

CAIN ALTO, Puer­to Rico (AP) — After months of dark­ness and sti­fling heat, Noe Pagan was over­joyed when pow­er-line work­ers arrived to restore elec­tric­i­ty to his home deep in the lush green moun­tains of west­ern Puer­to Rico.