How is that also not in the national interest, if the ‘potential’ rival was in fact corrupt?
Because nothing was done until Biden was a political rival. Because there is no allegation of Joe Biden being corrupt. There was no evidence of “ongoing” corruption. It was all to hurt Biden, whom Trump thought could beat him.
Rep. Sylvia Garcia threw cold water on accusations that former Vice President Joe Biden acted improperly in Ukraine.
reason.com
Rep. Sylvia Garcia (D–Texas) on Thursday sought to discredit corruption allegations against former Vice President Joe Biden as many Senate Republicans push to have his son, Hunter, testify in President Donald Trump’s impeachment trial.
As vice president, Biden in 2015 pushed for the deposition of Viktor Shokin, a Ukrainian prosecutor, who had drawn the ire of former President Barack Obama and several international agencies. Some in the GOP insist that the move was instead motivated by a desire to protect his son, Hunter, who had taken a spot on the board of Burisma, a Ukranian energy company mired in scandal.
“Let’s be very, very clear,” Garcia said on the Senate floor. “Vice President Biden called for the removal of this prosecutor at the official direction of U.S. policy because the prosecutor was widely perceived as corrupt and with the support of all of our international allies, his actions were therefore supported by the executive branch, Congress, and the international community.”
As
Reason 's Elizabeth Nolan Brown
points out, the younger Biden’s business dealings may indeed warrant raised eyebrows, as he “was brokering tight business relationships with state-associated companies in China and Ukraine” while his father served as Vice President of the United States. But in that same vein, there is "no evidence that Joe Biden was involved or acted improperly in service of his son.