A trio of elections Tuesday provided early warning signs to Republicans and President Donald Trump at the beginning of an ambitious term, as Democrats rallied against his efforts to slash the federal government and the outsized role being played by billionaire Elon Musk. In the marquee race for a Wisconsin Supreme Court seat, the conservative judge endorsed by Trump and backed by Musk and his groups to the tune of $21 million lost by a significant margin in a state the president won in November.