A single (i)remark can easily ruin the career of a politician, so most are quickly trained to avoid such offhand remarks and instead stick to prepared talking points. This training can result in a lack of (ii), however, and elicit in merely (iii), lukewarm responses from crowds.
Blank (i)
elated
glib
pedantic
Blank (ii)
spontaneity
equanimity
rigidity
Blank (iii)
ardent
tepid
morose