The price of oil fell Tuesday ahead of talks aimed at defusing tensions over Ukraine and the latest report on U.S. oil supplies. Benchmark U.S. crude for May delivery slid 30 cents to close at $103.75 on the New York Mercantile Exchange. On Monday, the Nymex contract rose 31 cents. Brent crude, a benchmark used for international varieties of oil, dropped 33 cents to $108.74 on the ICE Futures exchange in London after hitting a six-week high.