What would you do if you and your friends stumbled across a time travel machine? Would you look into the future? Would you watch a live Greek tragedy? Would you try and right a historical wrong? Our first Book Spectrum podcast will feature Kevin Schewe, an oncologist whose first book, “Bad Love Strikes,” focuses on a group of young people in the 1970s who find an old World War II-era time machine and use it to rescue victims of the German Holocaust.