Since Donald Trump won the presidency, concerns about whether Russia played a hidden role in the 2016 election have simmered, and lawmakers have warned about the prospect of stealth foreign influence over American politics. But data compiled by International Business Times and MapLight show that foreign influence is hardly confined to the shadows. It’s a big, open, bipartisan business, with foreign government lobbyists delivering millions of dollars of campaign cash to elected officials in Washington. In all, during the last election, those lobbyists gave more than $4.5 million to federal lawmakers and candidates. Foreign lobbyists and their firms’ political action...