Tens of thousands of supporters of Taiwan’s ruling party are expected to gather outside parliament on Friday after it pushed ahead with a hugely controversial “contempt of parliament” bill.The opposition Kuomintang party (KMT) says the new law is badly needed to redress the power imbalance between the legislature and Taiwan’s very powerful presidency.But the ruling Democratic Progressive Party (DPP) says it’s an unconstitutional power grab, aimed at taking revenge on the DPP government led by President William Lai Ching-te.The bill will give Taiwan’s parliament more power to…