Bloviating = a long winded pompous discourse from someone trying to make a point. A bloviator is someone who cannot express themselves in a pithy concise manner.
Most politicans are guilty of bloviating - as they tend to be pompous windbags. Listening to a politican bloviate over the issues tends to become very boring - thus turning off most voters.
Amoral windbag who loves the sound of his own voice. His mouth is NOT connected to his brain.
Rush Limbaugh and Keith Olbermann are prime examples of Bloviating Blowhards. Limbaugh promotes Republican Big Government (socialism); Olbermann promotes Democrat Big Government (socialism). They pretend they have opposing viewpoints.
Fem. form of Bloviator: n: a blowhard. Pundit whose arguments are passionate but not necessarily fact-based.
Ann Coulter, a bloviatrix on the Fox network didn't let a lack of information inhibit her diatribe.
Maureen Dowd, is a bloviatrix in the employ of the Paper of Record.