Diminished Trump leaves a vacuum for 2024 hopefuls

President Donald Trump’s would-be Republican successors see an opening.

As the politically diminished president prepares to leave office following a deadly pro-Trump riot at the Capitol and an impeachment vote backed by 10 GOP House members, ambitious Republicans are taking steps to burnish their own profiles and present themselves as future leaders of the party.

While some are gradually separating themselves from the president, others are publicizing plans to bolster the party as it heads into the post-Trump era. Some are even sparring with other potential 2024 rivals in plain...