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The house voted 11 articles of impeachment, johnson was later tried and acquitted by one vote and as we told you on monday in a new poll historians ranked johnson as the worst president of all-time. >> that didn't get better over time. >> not so much. crude oil price are the highest since 2008 because of the unrest in the mideast. there are fears the unrest could spread to saudi arabia, the world's largest oil producer. >> under our worst case scenario oil could hit $220 a barrel. some analysts warn we could be paying $5 for gas this summer. sharon epperson is nbc global energy analyst david...

Of '08. >> sharon epperson of cnbc at the new york mercantile exchange inspect midst of the action. seems urgent but i think the trading floor always is. >> yes. david yergen, our energy analyst. a lot of people who know a little bit about this are saying, sure, libya is a mess but libya doesn't export much to the u.s. so why am i seeing gas prices go up? >> we've already seen oil prices go up on the expectation of global economic recovery, everybody was looking at china and in the last few weeks it's changed in the middle east and the last week or so we've seen oil prices go up 20%. libya i...