Former President Donald Trump is expected to sweep Nevada’s GOP caucuses on Thursday‚ which would give the former president a third straight win in the Republican presidential race and display his dominance over the Republican Party. The Silver State has sown confusion by holding both a state-run presidential preference primary‚ in which former South Carolina Gov. Nikki Haley ran and came in second Tuesday to “none of the above candidates‚” and state GOP-run caucuses Thursday. Only the winner...