Overview

• North Dakota Gov. Doug Burgum, Ohio Sen. JD Vance, and Florida Sen. Marco Rubio are top contenders.
• Trump's advisers and allies are divided over the best choice to complement his ticket.
• Burgum is praised for his loyalty and business background, while Vance has strong support from Trump's family.
• Rubio's potential candidacy is complicated by constitutional residency issues.
• The final decision is expected around the Republican National Convention in mid-July.