Sentence:  Asked if at some point Huma becomes a <WSD>liability</WSD> to Hillary, the long-term Clinton insider replies, “It's like anything else. I don't think so, but you know I don't have any idea. Hillary is very loyal, but she's obviously pragmatic.” 
Meaning of the word marked with <WSD> tags:  A handicap that holds something back, a drawback, someone or something that is a burden to whoever is required to take care of them; an individual or action that exposes others to greater risk.