Texas Democrat James Talarico has built a national profile railing against GOP billionaires in politics — but has quietly accepted funds from a PAC backed by one of the wealthiest donors in the Republican Party.The single biggest donor to Talarico’s state House reelection bid last year was a group funded by casino mogul Miriam Adelson, according to state campaign finance data.Adelson, the widow of the late Republican megadonor Sheldon Adelson, is one of President Donald Trump’s largest financial supporters and seen as a boogeyman by much of the left. Talarico is now considering a run for Senate, which would test...