<sod >She said: 'When it comes to Russia, as so often it is wise to turn to the example of President Reagan who - during negotiations with his opposite number Mikhail Gorbachev - used to abide by the adage 'trust but verify'. With President Putin, my advice is to 'engage but beware'.  PM was at the monument in Virginia, where at least 15 British forces personnel are buried, and stood sombrely as the Last Post was played  The Prime Minister dabbed at her nose amid freezing temperatures as she walked up to the monument in Arlington  The Prime Minister laid a wreath at the tomb of the unknown solider at the Arlington National Cemetery today before heading for talks with President Trump   In her speech to the Republican Retreat convention, Mrs May added: 'There is nothing inevitable about conflict between Russia and the West.< eod>< sod > She said: 'When it comes to Russia, as so often it is wise to turn to the example of President Reagan who - during negotiations with his opposite number Mikhail Gorbachev - used to abide by the adage 'trust but verify'. With President Putin, my advice is to 'engage but beware'.  HAVEN'T WE SEEN THAT SOMEWHERE BEFORE?< eod>