With the pomp and pageantry of his official nomination just days away, Donald Trump's search for a running mate on the Republican presidential ticket is in the home stretch, with a trio of frontrunners jockeying to be first across the finish line.

The former US president is seeking a number two who can walk the delicate line between helping mobilize Trump's right-wing base and staying in lane as a sidekick who won't hog the limelight or, worse, prove more popular than the boss.

Trump is expected to make his choice public during next week's Republican National Convention in Milwaukee, with an announcement anticipated as early as the opening day on Monday.

The billionaire appears to have zeroed in on two US senators, J.D. Vance of Ohio and Marco Rubio of Florida, as well as North Dakota Governor Doug Burgum, who initially ran against Trump for the nomination before falling in line.

The calculus might yet change, as Trump told Fox News on Monday that he was weighing a "great bench" of prospects and had not made a decision.

"It's going to be a great vice president, meaning a person that can do a fantastic job as........

© International Business Times