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Grant: l know she's family, Lane,
but Chloe Sullivan's lost her mojo.
Now she's a run-of-the-mill hack
giving herself carpal tunnel covering city hall
and Fourth of July parades.
Giving herself only the freedom to cover plain events?

Lois: My cousin's feelings mean a lot more to me
than some stupid article.
Grant: Let me tell you something, Lane.
Newspapers don't have feelings,
they have stories. And stories are what pay the bills.
You think l'm being honored...Invited as guest of honor?
...by the Publisher's Guild tonight
because l'm Gandhi? Because l give a damn about feelings?
No. l break (write?)stories, any way, any how.
Lois: Well, you're gonna have to break this one
with someone else.

Grant: This isn't about your cousin.
This so-called flying saucer story,
it's all smoke and mirrors. She's lying about the spaceship?
You're using some high moral ground
to bail out of a sinking ship.
You pretent to care about your
cousin's feelings because you have no story at all and you're making excuses?
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"Carpal tunnel syndrome" is (without me taking time to look it up exactly) a term for a repetitive stress injury involving the wrist. So, Chloe is injuring her hand writing so much about unimportant news.

"Honored by the Publisher's Guild" - yes. They are most likely presenting him with an award.
"Break a story" - to be the first to write about it, to "get the scoop."
"Smoke and mirrors" - unsubstantial, trickery. So called from old-time magician's acts. You think you see something happen, but it's a trick done with smoke and mirrors.
"High moral ground to bail out" - she's using the excuse of high principles she does not feel to get out of a bad situation.

Oh and hey, the kids and I watched King Ralph this afternoon. It was cute.
Comments  
Students: Are you brave enough to let our tutors analyse your pronunciation?
DelmobileOh and hey, the kids and I watched King Ralph this afternoon. It was cute.
See? I told you.Emotion: smile
And thanks for your answer, of course!
Oh, BTW, when Grant says This isn't about your cousin.
This so-called flying saucer story,
it's all smoke and mirrors.

He means her refusal for the story has nothing to do with her cousin, right?
He's implying she has nothing, right?
I'm not sure what the flying saucer story has to do with the cousin. "This isn't about your cousin" definitely means that her refusal has nothing to do with the cousin, yes. Is she refusing to write a story about her cousin and offering to write another one about flying saucers? Is the cousin refusing to write something and offering an excuse about flying saucers?
Teachers: We supply a list of EFL job vacancies
Lois is Chloe's cousin. Chloe works in 'The Daily Planet' while
Lois is with the 'Inquisitor'. Grant is the new editor of the Planet.
And he overhears Lois talking to Chloe about a spaceship she saw.
So Grant offers Lois to hire her to work for the Planet if she writes
about the spaceship and he totally disparages Chloe. But Lois refuses to write this story, saying her
cousin is better than her. And well, you know the rest...