sweeter, more beautiful girl, i could not say merry christmas," signed, "love, roy moore, d.a.". >> look at the 1977 after merry christmas, look at those two sevens. and then look below at the 77. and i want to ask you, do you think it was written by the same person? >> reporter: moore denies any inappropriate sexual conduct with teenage girls. but not that he dated teenagers when he was in his 30s. >> do you remember dating girls that young at the time? >> not generally, no. but if i did, you know, i'm not going to dispute anything, but i don't remember anything like that. >> reporter: senate majority leader mitch mcconnell, who calls moore unfit for the senate, is urging a write-in candidate to step forward. >> the alabamian who would fit that standard would be the attorney general, who is totally well-known and extremely popular in alabama. >> reporter: moore today tweeting the, quote, "washington elite will do whatever it takes" to stop him. >> they spent over $30 million to try to take me out.