(Patrick Semansky | AP file photo) Sen. Mitt Romney, R-Utah, speaks to reporters after a classified members-only briefing on Iran, Capitol Hill in Washington on May 21, 2019. Romney’s ratcheted-up rhetoric on President Donald Trump is again raising hopes among Trump detractors that the senator could play a key role in the unfolding impeachment saga, though the historic shifts in their relationship mean Romney’s next move is an open question.