### Clue: About to include Republican in vernacular description of her opponents? (10)
### Answer: DEMOCRATIC 
 ### Explanation: Definition: description of her opponents
 [ CA(abbrev. for "circa"/about, applied to event dates) **containing**(to include) R(abbrev. for "Republican", a member of the Republican political party) ] **contained in**(in) DEMOTIC(the vernacular/colloquial speech).
Defn: …, that is, a Republican's opponents.