By Yimou Lee and Sarah Wu TAIPEI (Reuters) -The launch of a Chinese satellite that flew over Taiwan, prompting an erroneous air raid alert, sparked a political storm on the island on Wednesday about China’s motives only days out from presidential elections. Taiwan’s presidential office said it did not consider the launch of a Chinese satellite whose rocket flew over southern Taiwan an attempt at interference ahead of the poll, but the main opposition party questioned why the alert was issued. On Tuesday, the government issued a mistaken air raid alert after the Chinese rocket carrying a scienc…