Sentence:  With Christie's words about "all-talk-no-action" in mind, notice that Obama and his two secretaries of state, Hillary Clinton and John Kerry, as well as his vice president, Joe Biden, were all senators, the last two serving for two or three decades, respectively. Not forgetting the ill-fated secretary of defense, Senator Chuck Hagel. Their capacity for talking so much and saying so little is astonishing. Their verbosity is <WSD>unpalatable</WSD>. 
Meaning of the word marked with <WSD> tags:  unpleasant or disagreeable