KATHMANDU, Nepal — Preliminary and partial results released Saturday showed a new political party led by an ex-rapper leading Nepal's parliamentary election, the country's first since last year's youth-led revolt. The Rastriya Swatantra, or National Independent, Party, had already won 27 of 165 directly elected seats and was leading in 90 other constituencies in the results published by Nepal's Election Commission. Its prime ministerial candidate is rapper-turned-politician Balendra Shah , who