Carlos Maza has a great breakdown of how Kellyanne Conway is so adept at deflecting questions. It's basically a form of journalistic jiu-jitsu that exploits journalistic civility and pivots by using their own words against them.
Kellyanne Conway has a supernatural ability to derail any interview that paints Donald Trump in a negative light. How does she do it? Watching Conway do backflips to avoid answering simple questions is fascinating and occasionally entertaining, but it doesn't provide viewers with useful information about what the Trump administration is doing or intends to do. And it should raise questions about what the purpose of interviewing an administration official actually is.
This is why many media activists are urging journalists to stop booking Trump mouthpieces. They serve no purpose other than to promote whatever topic they want to discuss. Some journalists are finally taking a stand:
• Kellyanne Conway's interview tricks, explained (YouTube Vox)