tags for subheadings. We keep those. Translate subheadings: "Why the endorsement matters" -> "Proč na podpoře záleží" or "Proč je tato podpora důležitá". "Reactions from both parties" -> "Reakce obou stran".
Also note: The original had a note in brackets [if known, insert date, otherwise omit] which we omitted in translation. That's fine.
Now produce JSON. Title: "Trump podporuje Kena Paxtona v prim