london british prime minister theresa may stress value free trade support iran nuclear deal meet u.s. president donald trump late week spokeswoman say monday trump election raise question future so-called special relationship underpin close british-american tie decades new u.s. leader praise last year vote leave eu say want arrange swift bilateral trade deal britain supporters britain exit european union cheer comment others question fit trump protectionist policies include inaugural speech promise put america first expect prime minister clear u.s. visit benefit free trade champion want look do increase may spokeswoman tell reporters monday spokeswoman say expect prime minister would also make clear trump britain strong supporter 2015 nuclear accord iran world power new u.s. leader threaten either scrap change white house trump spokesman sean spic say new u.s. president discuss potential great trade britain meet may say believe plan two leaders hold news conference spic acknowledge special relationship unite state uk add always close may due attend annual republican retreat philadelphia thursday become first serve head state speak event hold bilateral talk trump washington friday thousands women march london saturday protest trump attitude women join demonstrations hold major cities across globe ask bbc interview sunday controversy trump comment women may britain second female premier say would afraid challenge unacceptable talk trump also expect discuss nato trump describe military alliance obsolete ahead u.s. visit may speak nato secretary general jens stoltenberg sunday discuss continue importance alliance bulwark defense agree need alliance continue evolve able effectively counter big threats day particular terrorism cyber attack spokesman may say call prime minister say would take message washington late week uk 's may defend free trade iran deal talk trump