There is nervousness in Brussels about the incoming US administration. That is not just down to Donald Trump's plans for Ukraine, but also because of his pledge to slap tariffs on EU goods of at least 10 percent. Trump insists that the EU will have to "pay a big price" for not buying enough American exports. That could hit key industrial sectors hard, not least car manufacturing. And officials from the European Central Bank are now warning of the damage that US tariffs would do to economic growth in the eurozone. But is a trade war inevitable, or could the two sides negotiate an off-ramp? We put the question to two MEPs.