<div>Larry Kudlow, a well-known conservative media pundit, would be the new chief economic advisor to US President Donald Trump.&nbsp;</div>''<div><br />''</div>''<div>The White House said today, days after Gary Cohen resigned after losing his fight against stiff tariffs on steel and aluminum imports.&nbsp;</div>''<div><br />''</div>''<div>Kudlow, 70, would replace Cohen, a former Goldman Sachs executive who quit the post after his differences with Trump on imposing a 25 per cent tariff on import of steel and 10 per cent on aluminum. <br />''</div>