The timing of Comey's firing, as the Federal Bureau of Investigation probes possible collusion between Trump's presidential campaign team and Moscow officials, as well as Russia's attempts to influence the election, has stirred controversy, even among some members of Trump's party.
He is to appear before the Senate intelligence committee on Thursday for a public hearing into Russian interference in the USA election, before addressing senators privately later in the day.
President Donald Trump wants to privatize the nation's air traffic control system.
In a prelude to Thursday's theatrics, Deputy Attorney General Rod Rosenstein will testify Wednesday.
It has been reported that Comey plans to talk about conversations in which Trump pressured him to drop his investigation into former national security advisor Mike Flynn, who was sacked for failing to disclose conversations with Russian officials.
AMD's Radeon RX Vega graphics cards likely won't launch until August
Not much is known about AMD's monster Threadripper chips at this point except that they'll appear this summer with up to 16 cores. AMD officials also showed off the company's upcoming Ryzen-based mobile chip in what looked like a reference convertible laptop.
But asked directly whether Trump would invoke executive privilege to block Comey from speaking, she said: "The president will make that decision".
Comey, ousted last month amid a federal investigation into connections between Russian Federation and the Trump campaign, is set to testify before Congress next week in a highly anticipated hearing that could shed new light on his private conversations with the president in the weeks before the firing.
A source told CBS News Comey will remain available to Mueller and investigators. In any case, Trump will spend the day of Comey's testimony tweeting out lame insults and insane conspiracy theories.
It would also move 30,000 government workers into the private sector and was billed by the White House as a first step towards fulfilling Mr Trump's...
Spicer said he hadn't spoken to the White House counsel, Don McGahn, about the matter.
Besides Kushner, Cohen and Flynn, the Justice and Congressional investigations are also looking into the Russian Federation ties of former Trump campaign chief Paul Manafort, political consultant Roger Stone, and foreign affairs advisor Carter Page.