A year and a half after Donald Trump’s victory in Wisconsin, Democrats are sensing a vibe shift that could reshape the balance of power in the critical battleground state. In the last three months, seven state Republican lawmakers have announced their retirements — including the party leaders in the Assembly and the Senate — providing a boost to Democrats’ hopes they could win control of at least one legislative chamber for the first time in 16 years. A massive fundraising advantage in next month’s open Wisconsin Supreme Court race has liberals feeling confident about further expanding their majority on a bench that up until a few years ago was long dominated by conservatives. Liberals are already even eyeing another seat next year, after a conservative justice said she wouldn’t run for re-election. And Democrats are hoping another state Supreme Court victory would provide a jolt of momentum heading into a governor’s contest that will bring significant change no matter the result.…