Daily Report to find leads who have been called but have no open or closed tasks corresponding

Daily Report to find leads who have been called but have no open or closed tasks corresponding

Trying every way to figure this one out.  I'm hoping to create a report that will tell me any lead that has been called today but has no tasks open or closed with today date. 

We automatically track calls but want tasks corresponded with each call as well

So basically i'm looking for 
      - Any lead record that has a closed call AND No open Task or closed Task with todays date?
Unless that's not the best way to go about this.