Cheng Li-wun once called for the destruction of the party she now leads. Back in 1988, when she was still a teenager, Cheng took the dais at a farmers’ rally to condemn Taiwan’s Nationalist Party, or KMT, as “the most detestable ruling force,” urging her compatriots to “overthrow KMT tyranny and establish our own country.”Today, Cheng runs the KMT from its Taipei headquarters, where her chairperson’s office boasts the eclectic talismans of her u…