WASHINGTON, Feb. 6 -- President Donald Trump on Wednesday declined to take sides in growing speculation over who could emerge as his successor in the 2028 Republican presidential race, saying it was too early to choose between Vice President JD Vance and Secretary of State Marco Rubio.

Speaking in an interview with NBC News, Trump said he would be "inclined" to endorse a successor at the appropriate time but stressed that the decision was still years away. "We have three years to go," he said, adding that both men were doing an excellent job and that he did not want to create unnecessary rivalry within his administration.

Read More: Trump praises Vance and Rubio but avoids picking 2028 successor

JD Vance, a former Republican senator fr...