The US vice president described Rubio as a "conservative of great principle and great vision" WASHINGTON, January 21. /TASS/. US Vice President JD Vance has administered the oath of office to Marco Rubio as the new US secretary of state, the White House press pool reported. "Vance this morning swore in Marco Rubio as the new US Secretary of State," the report says. The US vice president described Rubio as a "conservative of great principle and great vision." He said that Rubio "more than almost