Top news
Bernie Sanders draws sharp contrasts between himself and Joe Biden
By Gregory Krieg & Kate Sullivan
Biden picks up endorsement of firefighters union as Trump blasts labor leaders
By John Wagner
Biden takes the Democrats' early lead, with signs of a generational showdown
By Gary Langer
All coverage
Don't be fooled: Joe Biden is no friend of unions
By Gabriel Winant
Trump attacks Biden despite Kushner directive to lay off Dem field
By Marc Caputo & Gabby Orr
How Joe Biden 'underwent a cosmetic overhaul to make himself more appealing to voters'
By Ariel Zilber
Firefighters union endorses Joe Biden for president
By Arlette Saenz
Trump goes after Biden — and against advisers' advice
By Jeremy Diamond