Minnesota Senator Amy Klobuchar announced she recieved $1.1 million in campaign donations in 24 hours after Tuesday’s Democratic debate. Klobuchar is wasting no time getting back on the campaign trail, visiting all 10 counties in New Hampshire in just 30 hours. CBS News 2020 Campaign reporter Nicole Sganga joins CBSN for this edition of 2020 Daily Trail Markers. Source

A new group is calling on 2020 Democratic presidential hopefuls to name their potential Supreme Court nominees. Christopher Kang, co-founder and chief counsel of “Demand Justice,” joins CBSN’s “Red & Blue” to discuss his organization’s recent release of 32 names Democratic candidates should consider. Source

Bernie Sanders raised $620,000 but still holds the lead in fundraising Source

Facts and figures about NASA’s first all-female spacewalk Source

The acting White House chief of staff said a delay in millions of dollars in aid to Ukraine was due to concerns about corruption. Mick Mulvaney’s comments sparked a firestorm, and he is now trying to walk them back. Nancy Cordes has the latest. Source

Mulvaney issued a statement late Thursday afternoon to clarify his earlier remarks at the White House about the administration’s pressure on Ukraine Source

There are fears of another possible collapse at a construction site in New Orleans where a new Hard Rock Hotel is being built. A new video shows workers were concerned about the safety of the structure. Omar Villafranca explains. Source

In Chicago, teachers walked off the job in a massive strike. But the city is warning their demands are too costly. Meg Oliver reports. Source

Representative Elijah Cummings died at the age of 68. The longtime Baltimore congressman is being honored by his colleagues in Congress and local leaders from the community he served. Chip Reid takes a look back at his life and legacy. Source

It has no mouth, stomach, eyes, brain or nervous system — but it can learn, remember things and even find its way out of a maze Source