President Trump’s attorneys are focusing on states he lost narrowly to President-elect Joe Biden.
There is still no evidence of widespread voting fraud.
President Trump's allies said they will need time to investigate claims of voter fraud before contesting the election in court.
President Biden's visit to Pittsburgh marks the second of three stops on a swing through the key battleground state of Pennsylvania this week.
The former vice president said Trump is seeking to "marginalize the cause of life" by refusing to support a national abortion ban.
He made the announcement in a video released on his social media platform Truth Social on Monday morning.
There was a large police and security presence, with guards wearing black stab-proof vests posted on each level of the mall.
Most streaming services charge about $10 or $11 per month for their music bundles, but there might be ways to cut the cost down.
Israel had promised to retaliate for Iran's Saturday attack, in which Iran launched hundreds of drones and missiles.