RealMoney Radio: Oil Going to $100?

We have lots of reasons for oil to go much higher, and not many reasons for it to go lower, said Jim Cramer on his "RealMoney" radio show Tuesday, identifying geopolitical tensions around the world that are keeping crude prices high.

Iran could stop shipping oil to us, and that's a big deal given that the country is the No. 4 producer, said Cramer; and hurricane season is upon us, but plenty of production capacity is still offline in the Gulf of Mexico.

Nigerian rebels have cut production in that country by 25%; and even though OPEC pledges to keep output levels up, Venezuela might cut back, he said. ...