U.S. President Donald Trump said on Sunday that if he could have one ¡°do-over,¡± it would be ¡°personnel¡± decisions, including naming former Sen. Jeff Sessions as his first U.S. attorney general.

¡°I would say if I had one do over, it would be, I would not have appointed Jeff Sessions to be attorney general. ... That was the biggest mistake,¡± Trump said in an interview aired on Sunday with NBC¡¯s ¡°Meet the Press¡± program.

After almost three years of investigations, Trump¡¯s presidency is still clouded by questions surrounding Russian interference to boost his candidacy in the 2016 U.S. elections and his subsequent efforts to impede inquiries into the matter.