Stumped by 26-Across? Unravel the crossword mystery!

– Democratic presidential candidate in 2020
– Vermont senator
– Known for his progressive policies
– Author of “Our Revolution”
– Former mayor of Burlington
– Advocate for universal healthcare
– Longest-serving independent in U.S. congressional history
– Focused on income inequality and wealth distribution
– Opponent of corporate influence in politics
– Popular among young voters