In its rush to destroy itself, California has gone and done this: Gov. Jerry Brown signed a bill Friday that lowers from a felony to a misdemeanor the crime of knowingly exposing a sexual partner to HIV without disclosing the infection. The measure also applies to those who give blood without telling the blood bank that they are HIV-positive. Modern medicine allows those with HIV to live longer lives and nearly eliminates the possibility of transmission, according to state Sen. Scott Wiener (D-San Francisco) and Assemblyman Todd Gloria (D-San Diego), authors of the bill.“Today California took a major step toward treating...