Bernie Sanders began his 2020 campaign at full speed, dominating in polls and fundraisers.
According to Business Insider, other Democratic presidential candidates are catching up.
INSIDER’s polling shows that Sanders’ campaign hasn’t made significant progress and hit a wall.
In mid-April Sanders had 57 percent say they would be satisfied if he became the presidential nominee.
When former Vice President Joe Biden joined the race, those numbers fell to 49 percent.