National elections

FILE - In this Jan. 8, 2019, file photo, former Rep. Gabby Giffords, speaks during a news conference to announce the introduction of bipartisan legislation to expand background checks for sales and transfers of firearms, on Capitol Hill in Washington. Ten White House hopefuls will participate Wednesday in an all-day forum on gun policy hosted by MSNBC, March for Our Lives and Giffords. March for Our Lives is the student-led gun control movement sparked by the high school shooting in Parkland, Florida, last year, and Giffords is the advocacy organization set up by former Arizona congresswoman Gabby Giffords, who was shot in the head during a constituent meeting in 2011. (AP Photo/Alex Brandon, File)

President Donald Trump and Vice President Mike Pence participate in an Armed Forces welcome ceremony for the new chairman of the Joint Chiefs of Staff, Gen. Mark Milley, Monday, Sept. 30, 2019, at Joint Base Myer-Henderson Hall, Va. (AP Photo/Evan Vucci)

From left, Vice President Mike Pence, President Donald Trump, and Defense Secretary Mark Esper, participate in an Armed Forces welcome ceremony for the new chairman of the Joint Chiefs of Staff, Gen. Mark Milley, Monday, Sept. 30, 2019, at Joint Base Myer-Henderson Hall, Va. (AP Photo/Evan Vucci)

Former French President Nicolas Sarkozy leaves the Elysee Palace after a lunch with heads of states and officials, Monday, Sept. 30, 2019 in Paris. France bid a final adieu to former French President Jacques Chirac on Monday as he received military honors on a national day of mourning that culminated with a memorial service attended by dozens of past and current world leaders. (AP Photo/Kamil Zihnioglu)

Democratic presidential candidate Pete Buttigieg speaks during a campaign stop at the Alliant Energy Amphitheater in Dubuque on Monday, Sept. 23, 2019. (Eileen Meslar/Telegraph Herald via AP)

FILE - In this Aug. 1, 2018 file photo, Rudy Giuliani, attorney for President Donald Trump, addresses a gathering during a campaign event in Portsmouth, N.H. House committees have subpoena Giuliani for documents related to Ukraine. (AP Photo/Charles Krupa, File )

In this Sept. 19, 2019 file photo, Republican presidential candidate, former South Carolina Gov. Mark Sanford smiles as he talks with customers at the Puritan Backroom restaurant, during a campaign stop in Manchester, N.H. The three candidates running against Donald Trump in the Republican presidential primary aren’t likely to make major donors swoon, as fears of retribution from Trump’s orbit and an unwillingness to contribute to a losing effort are coupled with concerns about how to shape the GOP once Trump leaves the White House. (AP Photo/Elise Amendola)

Democratic presidential candidate Sen. Bernie Sanders, I-Vt., pauses while speaking at a campaign event, Sunday, Sept. 29, 2019, at Dartmouth College in Hanover, N.H. (AP Photo/ Cheryl Senter)

Democratic presidential candidate former Vice President Joe Biden speaks at a campaign event Friday, Sept. 27, 2019, in Las Vegas. (AP Photo/John Locher)