After many dubbing a male speaker on the opening night of the convention inappropriate, the senator has stepped down.
Many Puerto Ricans are still forced to wait in long lines just to get water and electricity remains a rarity.
In Comerio, a mountainous farming municipality in the central part of the U.S. territory, people say they have yet to see any aid from the government.
Dr. Khanna submits her letter of resignation after watching her co-workers getting manicures and pedicures in the middle of Puerto Rico's natural disaster crisis.
"We cannot keep FEMA, the Military & the First Responders... in Puerto Rico forever!" tweeted the President.
Several have died because of the inability to deliver oxygen, while others remain stranded at abandoned nursing homes.