Is this radicchio?

I think they must have been survivors from last year’s mesclun mix. Do I need to remove the old leaves to encourage head production? Will they even produce heads?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

And are these worth saving? Should I spread them farther apart?

And finally, the Indestructible Chive, which I think could survive nuclear attack.