Tim Mak is NPR's Washington Investigative Correspondent, focused on political enterprise journalism.
Juana Summers is a political correspondent for NPR covering race, justice and politics. She has covered politics since 2010 for publications including Politico, CNN and The Associated Press. She got her start in public radio at KBIA in Columbia, Mo., and also previously covered Congress for NPR.
Frank Langfitt is NPR's London correspondent. He covers the UK and Ireland, as well as stories elsewhere in Europe.