San Jose already has a far higher rate of retired police and firefighters on disability than other large California city. And in the three years since a Mercury News investigation documented that trend, pension trustees haven't denied one of the dozens of claims that have come before them. But a city physician's effort to demand more medical documentation of career-ending injuries now has officers calling for his ouster. Police say Dr. Rajiv Das is holding up officers' disability retirements — which, unlike regular service pensions, are mostly tax-free. Though Das merely advises the trustees who decide disability retirements, police complain...