MOSCOW - US State Department spokeswoman Jen Psaki said on Monday that the United States could consider imposing sanctions against Russian President Vladimir Putin himself over the crisis in Ukraine, but she suggested no such step would be taken soon.Asked by Russian radio station Ekho Moskvy in an interview on Twitter whether the United States was considering the possibility of imposing sanctions on Putin, Psaki replied: "Yes. Impt (important) to lay out consequences. US able to sanction people, companies, and sectors. Goal not sanctions. Goal de-escalation."She then added: "Range of officials under consideration. Plenty to sanction before we would discuss President #Putin."