As most of you surely know, too few drugs that show early promise ever pan out, so it's wise to remain cautious. There's been too much hype and false "AIDS cures." But this BYU study, reported in the Salt Lake Tribune, sound hopeful. If future tests confirm the early promise of a new compound, it could be the first drug that actually kills HIV. The compound may also be effective against other viruses ranging from herpes to influenze. Hat tip to Andrew Sullivan for the link.