US Vice President Kamala Harris released a letter from her doctor on Saturday that revealed she is in “excellent health” and “possesses the physical and mental resiliency” required to serve as president. Harris made her medical information public to draw a contrast with Republican candidate Donald Trump, who has released only limited information about his health over the years, including after his ear was grazed by a bullet during an assassination attempt in July. Dr. Joshua Simmons, a US Army colonel and physician to the vice president, wrote that Harris, 59, maintains a healthy, active lifes…