peter alexander from the white house this morning thank you. >>> now the question is how will all of this affect the price we pay at pump. nbc's tom costello has been talking to experts he's in bethesda, maryland. hey, tom, what do you think? >> reporter: yeah, about 10 to 25 cents within the next week or two say the experts. as we all know, oil shot up about 15% yesterday, very sensitive to what happens in the markets and what's happening geopolitically gas prices are sure to rise, but how much really depends on what happens next it may be a world away but the ripple effect may soon arrive at a gas station near you saturday's attacks took out 5% of the global oil supply sending world oil prices surging. within days experts predict pump prices will also start edging higher >> consumers could face steeper hikes than $0.o gallon and it could last to anksgiving. >> reporter: at the end of monday, gas was averaging $2.57, 30 cents cheaper than a year ago. if prices do jump by 30 cents, that would put prices back to where they were this time last year the u.s. is less dependent on foreign oithan ionce was todathe u.s. is the world's biggesprodt