Time Travel

According to scientists, time travel is possible, but only forwards.  So, instead of going back and warning people about Hitler, we can just go ahead and then comment on what a nightmare everything has become (spoiler: it will just get worse from here on out). Something I did as a joke once (because I am a strange person) was to run up to a man on the street and yell "what year is this?" and after he told me (I think this was 2012) said "oh, thank God, there's still time" and ran away.  I hope to this day that he tells his friends he met someone from the future who prevented some sort of catastrophe.