Jean Smart can’t get enough Hannah Einbinder in her life. Einbinder stars as Ava, a young comedy writer on the HBO series “Hacks,” alongside Smart, who plays Deborah, a veteran comedian.

As a fan of Hacks, I think it’s pretty wonderful to hear how close Dan Bucatinsky has gotten to Jean Smart and Hannah Einbinder and that the love we (sometimes) see between the characters on the ...