Biden faces dual challenges from Trump, Warren | TheHill
MORE (D-Mass.) overtakes him in some polls.
Trump and his allies are placing a big bet that they can tear Biden down by implicating him in a Ukraine scandal that has engulfed the administration and provoked House Democrats to launch an impeachment inquiry.
The Trump campaign is putting millions of dollars behind Biden-Ukraine ads in Iowa, New Hampshire, Nevada and South Carolina, with the sole intention of damaging him among Democrats in the early-voting states.
Warren’s rise has also become a real threat to Biden, whose front-runner status is being challenged in earn