Yes, McCain would be blamed for being impetuous, and he does do impetuous things.
From the post-gazette.com
Mayhew insists that he doesn't pay attention to the impetuous whims of outsiders.
From the freep.com
Dennis Kucinich, 32, Cleveland's boyish, impetuous mayor, was angrier than usual.
From the time.com
Still, the book's main appeal lies in its personal and impetuous style of writing.
From the telegraph.co.uk
The impetuous ghost of Bailey Ruth is back in the second book in a series by Hart.
From the stltoday.com
Maybe it was impetuous of me to hand that money over to the young woman in Soweto.
From the latimes.com
He didn't view our concerns and needs as fanciful, impetuous dreams of youth.
From the cnn.com
She's wound really tight, but she's also massively passionate and impetuous.
From the orlandosentinel.com
But foul-mouthed, impetuous George W. was also his own man, and Texas was his place.
From the economist.com
More examples
Hotheaded: characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic)
Marked by violent force; "impetuous heaving waves"
(impetuousness) rash impulsiveness
USS Impetuous (PYc-46) was private yacht that served as a patrol boat of the United States Navy in both World War I and World War II under different names.
Making arbitrary decisions, especially in an impulsive and forceful manner; Characterized by sudden and violent force
(impetuously) In an impetuous manner; with sudden force; violently; rashly
(impetuousness) The state or quality of being impetuous; making arbitrary decisions; Result of being impetuous; arbitrary decisions
(Impetuousness) Characteristic of that which is violent, hasty, and quick-tempered
Required to "follow-up" or move forward automatically if/when an opposing enemy element is destroyed, recoils, flees, or breaks off. An impetuous element moves forward the depth of its base in pursuit. Knights, Scythed Chariots, and Warband are designated as "impetuous" troops in DBA.