Executive changes

Democratic presidential candidate Sen. Kamala Harris, D-Calif., left, and Sen. Bernie Sanders, I-Vt., gesture to each other during a Democratic presidential primary debate hosted by CNN/New York Times at Otterbein University, Tuesday, Oct. 15, 2019, in Westerville, Ohio. (AP Photo/John Minchillo)

FILE - In this Oct. 9, 2019, file photo a member of the United Auto Workers walks the picket line at the General Motors Romulus Powertrain plant in Romulus, Mich. General Motors CEO Mary Barra joined negotiators at the bargaining table Tuesday, Oct. 15, an indication that a deal may be near to end a monthlong strike by members of the United Auto Workers union that has paralyzed the company’s factories. (AP Photo/Paul Sancya, File)

FILE - In this Jan. 30, 2010, file photo, Vice President Joe Biden, left, with his son Hunter, right, at the Duke Georgetown NCAA college basketball game in Washington. Since the early days of the United States, leading politicians have had to contend with awkward problems posed by their family members. Joe Biden is the latest prominent politician to navigate this tricky terrain. (AP Photo/Nick Wass, File)

FILE - In this Jan. 30, 2010, file photo, Vice President Joe Biden, left, with his son Hunter, right, at the Duke Georgetown NCAA college basketball game in Washington. Since the early days of the United States, leading politicians have had to contend with awkward problems posed by their family members. Joe Biden is the latest prominent politician to navigate this tricky terrain. (AP Photo/Nick Wass, File)

FILE - In this Jan. 30, 2010, file photo, Vice President Joe Biden, left, with his son Hunter, right, at the Duke Georgetown NCAA college basketball game in Washington. Since the early days of the United States, leading politicians have had to contend with awkward problems posed by their family members. Joe Biden is the latest prominent politician to navigate this tricky terrain. (AP Photo/Nick Wass, File)

FILE - In this Monday, April 29, 2019 file photo, Boeing Chief Executive Dennis Muilenburg speaks during a news conference after the company's annual shareholders meeting at the Field Museum in Chicago. Boeing has taken the chairman title away from CEO Dennis Muilenburg as the aircraft maker continues to struggle with fallout from two deadly plane crashes, Friday, Oct. 11, 2019. (AP Photo/Jim Young, Pool, File)

Chinese Vice Premier Liu He accompanied by U.S. Trade Representative Robert Lighthizer, left, and Treasury Secretary Steven Mnuchin, greets the media before a minister-level trade meetings at the Office of the United States Trade Representative in Washington, Thursday, Oct. 10, 2019. (AP Photo/Jose Luis Magana)

FILE - This Aug. 1, 2018, file photo shows Rudy Giuliani, an attorney for President Donald Trump, in Portsmouth, N.H. As Giuliani was pushing Ukrainian officials in the spring of 2019 to investigate one of Donald Trump’s main political rivals, a group of individuals with ties to the president and his personal lawyer were also active in the former Soviet Republic. (AP Photo/Charles Krupa, File)

This Facebook screen shot provided by The Campaign Legal Center shows, from left, Donald Trump Jr., Tommy Hicks Jr., Lev Parnas and Igor Fruman, posted on May 21, 2018. Parnas and Fruman were arrested on Thursday, Oct. 10, 2019, on campaign finance violations resulting from a donation to a political action committee supporting President Donald Trump's reelection. (The Campaign Legal Center via AP)