[Avodah] Bracha after Haftara on Shabbat Rosh Chodesh

[Liron Kopinsky]

On Sun, Jul 3, 2011 at 3:04 PM, Lisa Liel <lisa at starways.net> wrote:
> But on Shabbat Rosh Chodesh, we end the middle bracha of musaf with
> "mekadesh ha-shabbat v'Yisrael v'roshei chodashim".  And both kiddush and
> the last bracha after the haftarah end only with "mekadesh ha-shabbat".
>
> Why the inconsistency?  I see why we say a special bracha in the musaf
> amidah, because that whole nusach that precedes it is special for Shabbat
> *and* Rosh Chodesh.  But why do we ignore it during Friday night kiddush and
> the bracha after the haftarah?

 From what I understand, it is all related to why we are doing said thing.
On Shabbat Rosh Chodesh, we are davening mussaf because it is both RCh and
Shabbat, however were it not shabbat, we would not be making kiddush or
reading the haftarah.

Kol Tuv,
Liron