Campaign contributions

FILE – In this Sept. 29, 2014, file photo, U.S. Rep. Jim Renacci, R-Ohio, speaks in Independence, Ohio. Renacci failed to disclose nearly $50,000 in political contributions while registered as a Washington lobbyist starting in the late 2000s, according to a review of federal records by The Associated Press. (AP Photo/Mark Duncan, File)

FILE – In this Nov. 16, 2017, file photo, U.S. Sen. Bob Menendez speaks to reporters after U.S. District Judge William H. Walls declared a mistrial in Menendez' federal corruption trial, during a news conference outside the Martin Luther King Jr. Federal Building and U.S. Courthouse in Newark, N.J. Menendez announced plans Tuesday, March 27, 2018, to kick off his re-election bid for a third term, two months after federal prosecutors dropped corruption charges against the New Jersey Democrat. Top Democrats including fellow U.S. Sen. Cory Booker and New Jersey Gov. Phil Murphy are set to join Menendez during Wednesday, March 28, 2018, events in his hometown of Union City, N.J., where he was once mayor, and in southern New Jersey. (AP Photo/Julio Cortez, File)

FILE – In this Nov. 16, 2017, file photo, U.S. Sen. Bob Menendez speaks to reporters after U.S. District Judge William H. Walls declared a mistrial in Menendez' federal corruption trial, during a news conference outside the Martin Luther King Jr. Federal Building and U.S. Courthouse in Newark, N.J. Menendez announced plans Tuesday, March 27, 2018, to kick off his re-election bid for a third term, two months after federal prosecutors dropped corruption charges against the New Jersey Democrat. Top Democrats including fellow U.S. Sen. Cory Booker and New Jersey Gov. Phil Murphy are set to join Menendez during Wednesday, March 28, 2018, events in his hometown of Union City, N.J., where he was once mayor, and in southern New Jersey. (AP Photo/Julio Cortez, File)

FILE - This 1998 frame from video provided by C-SPAN shows George Nader, president and editor of Middle East Insight. Nader, an adviser to the United Arab Emirates who is now a witness in the U.S. special counsel investigation into foreign meddling in American politics, wired $2.5 million to Donald Trump's fundraiser, Elliott Broidy, through a company in Canada, according to two people who spoke on the condition of anonymity because of the sensitivity of the matter. (C-SPAN via AP, File)

FILE - This 1998 frame from video provided by C-SPAN shows George Nader, president and editor of Middle East Insight. Nader, an adviser to the United Arab Emirates who is now a witness in the U.S. special counsel investigation into foreign meddling in American politics, wired $2.5 million to Donald Trump's fundraiser, Elliott Broidy, through a company in Canada, according to two people who spoke on the condition of anonymity because of the sensitivity of the matter. (C-SPAN via AP, File)

FILE - This 1998 frame from video provided by C-SPAN shows George Nader, president and editor of Middle East Insight. Nader, an adviser to the United Arab Emirates who is now a witness in the U.S. special counsel investigation into foreign meddling in American politics, wired $2.5 million to Donald Trump's fundraiser, Elliott Broidy, through a company in Canada, according to two people who spoke on the condition of anonymity because of the sensitivity of the matter. (C-SPAN via AP, File)

FILE - This 1998 frame from video provided by C-SPAN shows George Nader, president and editor of Middle East Insight. Nader, an adviser to the United Arab Emirates who is now a witness in the U.S. special counsel investigation into foreign meddling in American politics, wired $2.5 million to Donald Trump's fundraiser, Elliott Broidy, through a company in Canada, according to two people who spoke on the condition of anonymity because of the sensitivity of the matter. (C-SPAN via AP, File)