I keep referring to Ray Bradbury's 1953  Sound of Thunder , for merely stepping on a butterfly in his short story significantly altered the future of humanity.  Of course, this also means that every breath you take, every move you make, would likewise do so.  But purposeful action can particularly make that crucial difference. From this tale came the term  butterfly effect , a concept of chaos theory not made popular until a decade later.  While any accidental act can drastically alter the future, a more specific decision can most surely affect the future regarding that topic.  Incidentally, the movie,  The Butterfly Effect , a 2005 film starring Ashton Kutcher, garnered 33/81 ratings from  Rotten Tomatoes , which attracted my interest because I usually side with the viewers. While Senator Joe Manchin will sign off on the Democratic wish-list bill, which has dropped in value from $3.5 trillion to less than half that value, gaining a last gasp life...