US Vice President Mike Pence (L) shakes hands with Montenegro's Prime Minister Dusko Markovic (R) prior to their joint press conference in Podgorica on August 2, 2017. US Vice President Mike Pence made his final stop on August 1 in Montenegro on an Eastern European tour aimed at reassuring US allies under "Russian pressure", pledging the US President would sign off on new sanctions against Moscow "soon". AFP / Savo PRELEVIC