Vice President Joe Biden announced at the White House Wednesday that he will not run for President of the United States.

Biden, who has been weighing the decision since summer, said the window of opportunity to mount a viable campaign "has closed."

Ed Henry said on "Shepard Smith Reporting" that Biden's advisers say the vice president wanted to enter the 2016 race, but concluded that he couldn't win the Democratic nomination.

"If he could not win, he didn't want to jump in," Henry said.

He added that Hillary Clinton took to Twitter to react to Biden's announcement:

GOP front-runner Donald Trump also had a Twitter message in the wake of Biden's statement:

Watch Henry's report above.

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