The U.S. is ready to increase pressure on the Russian Federation in the event of an escalation of the confrontation in the Donbass, said the U.S. assistant Secretary of state Victoria Nuland in conversation Ukrainian journalist Savik Shuster in the program "Shuster Live" on the last working day of the week. "We were given to understand that the penalties will remain in force as long as the Minsk consensus will not be fully made