**_Serious account of the frontierswoman mixes fact with mythmaking_** I say “serious” because the previous Western about Calamity Jane was the amusing musical with Doris Day from 1953. Yet this isn’t a serious biopic of Martha Jane Canary since it involves glaring mythmaking, as well as the fact that the story focuses on the day Wild Bill Hickok was shot playing poker in Deadwood and the subsequent capture of…