I asked who lobbied to have the age of consent lowered to 16 in the District of Columbia. The answer I got is not who
Some intensive Googling turned up a site that specializes in the cause against sodomy laws; this letter
issued by the Gay and Lesbian Activists Alliance states that the age of consent had been set at 16 "for at least 92 years" as of the letter's 1993 date. The purpose of the letter was to protest the age of consent law which, at that time, was 16 for fornication and 18 for sodomy. Presumably the ages have been equalized by now, even without help from Lawrence v. Texas. Cybersex isn't sodomy, so even under the old law Foley wouldn't be in legal trouble, unless there were also an age disparity in DC "delinquency to minors" laws.