to lock horns

lock horns (with someone)
to argue with someone in a very determined way.
In her new movie she plays a middle-aged college student who locks horns with her professor.
Etymology: based on the literal meaning of two fighting animals such as deer whose horns lock together
Axis of Evil
Axis of Power
Waterboarding
soft bigotry of low expectation
misunderestimate
a goof
blunder
to goof
bloopers or mistakes
misspeak
typograhphical error
stump speech
sourdough in one's saddlebag
to walking around with some sourdough in your saddlebag
approachablility
how to convey a sense of warmth and approachability to everyday Americans. 
a flurry of colorful political terms
fire in the belly
left in a hail of dead cats
vividness
dead cat bounce