Even as Democrats intensified their scrutiny this week of Rudy Giuliani’s role in the pressure campaign against the Ukrainian government that is at the heart of the impeachment inquiry, Giuliani has been in Europe continuing his efforts to shift the focus to purported wrongdoing by President Trump’s political rivals. He is using the trip, which has not been previously reported, to help prepare more episodes of a documentary series for a conservative television outlet promoting his pro-Trump, anti-impeachment narrative.