Watch: Trump and May's full press conference

President Donald Trump and British Prime Minister Theresa May at a press conference in London (C-SPAN)

President Donald Trump slammed London's mayor, spoke in favor of "Brexit", and touted his Republican approval rating in response to questions about a GOP mounted block on his proposed tariffs on Mexican goods during Tuesday's London press conference.

Watch the full press conference, which followed a bilateral meeting with outgoing British Prime Minister Theresa May.

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