PARIS (AP) — Youth easily prevailed over experience at the French Open on Tuesday when teenager Mirra Andreeva thumped Sorana Cirstea 6-0, 6-3 to reach the semifinals for the second time. After a week of hot weather, rain arrived in Paris and play started under the closed roof of Court Philippe-Chatrier. Competing in the quarterfinals for the first time in 17 years, Cirstea struggled to find her rhythm against her 19-year-old rival. The 36-year-old veteran from Romania, playing the final season