User blog comment:Gardimuer/Information from the new BioShock Infinite demo/@comment-3412492-20110601222833/@comment-3412492-20110602065602

As a note, even though Elizabeth is the only one to actually use the tears, it doesn't rule out the possibility that anyone else can be affected, hence Saltonstall's dramatic change from ultra-nationalist to Sister-eyed communist. I'm not saying it is to be, it's just (wild, speculative) opinion on my part.