He will also be trade's chief conciliator, encouraging countries to take on entrenched domestic interests.

"The American people deserve leadership that comes to grips with bread-and-butter economic issues and takes on powerful interests," he wrote.

I've got 24 years of experience and I've never hesitated to take on special interests.

Here are 10 moments in song when Eminem took on personas and interests that might not be considered particularly wholesome by the world at large.

With some skill and luck, he may be able to take on special interests in a way that previous mayors couldn't.

When the right talk about taking on vested interests we are assumed to read in - teaching unions and local authorities that don't run grammars.

Critics have seen it as timidity in taking on powerful interests.

We weren't strong enough in taking on vested interests.

It is no longer clear that most governments are prepared to take on entrenched interests to help advance a freer trade agenda.

"I have always tried to be an advocate taking on big shots and big interests," he often says on the campaign trail.