The Associated Press

In this Jan. 30, 2019, photo, Sen. Sherrod Brown, D-Ohio, speaks at a rally in Brunswick, Ohio. The clearest path for Democrats to return to the White House runs straight through the upper Midwest, fueling debate over who is best positioned to recapture the region’s working-class voters who broke for President Donald Trump in 2016. Though the first prominent Democrats to announce their 2020 candidacies hail from the coasts, several Midwestern natives, including Brown and Sen. Amy Klobuchar, D-Minn., are offering themselves as potential contenders uniquely attuned to the region’s priorities. (AP Photo/Tony Dejak)

FILE - In this April 2, 2014, file photo, Carlos Ghosn, the then-Renault-Nissan Alliance Chairman and CEO, listens to reporter's question during a press conference about Renault Samsung Motors' global vision plan in Seoul, South Korea. Major Japanese business daily Nikkei is reporting Nissan’s former Chairman Carlos Ghosn has reiterated his innocence, saying the payments to a Saudi businessman were legitimate and Nissan people knew about the transaction. Ghosn has been charged with breach of trust in the payments, and with falsifying financial reports in underreporting compensation from Nissan. (AP Photo/Lee Jin-man, File)

FILE - In this file photo dated Friday, Jan. 25, 2019, Venezuelan President Nicolas Maduro gives a press conference at Miraflores presidential palace in Caracas, Venezuela. More than a week into a political standoff, Venezuelan President Nicolas Maduro said Wednesday Jan. 30, 2019, that he is willing to negotiate with opposition leader Juan Guaido. (AP Photo/Ariana Cubillos, FILE)

FILE - In this file pool photo taken on Oct. 4, 2017, Russian President Vladimir Putin, right, shakes hands with Venezuela's President Nicolas Maduro during their meeting at the Kremlin in Moscow, Russia. The crisis in Venezuela may have reached a new boiling point, but the geopolitical fault lines look familiar. Russia, China and Iran have thrown their support behind embattled Maduro, while the U.S., Canada and their allies in Western Europe are backing opposition leader Juan Guaido as interim president. (Yuri Kadobnov/Pool Photo via AP, File)

FILE - In this Sept. 19, 2017, file photo, Michael Cohen, President Donald Trump's personal attorney, steps out of a cab during his arrival on Capitol Hill in Washington. Cohen is shaking up his defense team ahead of his highly anticipated congressional testimony next month. His legal team announced Monday, Jan. 28, 2019, that two attorneys from Chicago will represent Cohen as he continues to cooperate with special counsel Robert Mueller. (AP Photo/Pablo Martinez Monsivais, File)