She ran for the Democratic nomination for President of the United States in the election , before pulling out in March and endorsing Joe Biden. Klobuchar's political positions have generally been in line with modern American liberalism. According to GovTrack , Klobuchar passed more legislation than any other senator by the end of the th Congress in late In December , Klobuchar voted for the First Step Act , legislation aimed at reducing recidivism rates among federal prisoners through expanding job training and other programs in addition to forming an expansion of early-release programs and modifications on sentencing laws such as mandatory minimum sentences for nonviolent drug offenders, "to more equitably punish drug offenders.
On July 31, , following Attorney General William Barr announcing that the United States federal government would resume the use of the death penalty for the first time in over 20 years, Klobuchar was a cosponsor of a bill banning the death penalty. In the wake of the Orlando nightclub shooting , Klobuchar participated in the Chris Murphy gun control filibuster. Francis Collins espousing the view that it was critical the NIH "dedicate a portion of its resources to the public health consequences of gun violence" at a time when 93 Americans die per day from gun-related fatalities and noted that the Dickey Amendment did not prohibit objective, scientific inquiries into shooting death prevention.
In November , Klobuchar was a cosponsor of the Military Domestic Violence Reporting Enhancement Act, a bill that would form a charge of Domestic Violence under the Uniform Code of Military Justice UCMJ and stipulate that convictions would have to be reported to federal databases with the authority to keep abusers from purchasing firearms within three days in an attempt to close a loophole in the Uniform Code of Military Justice UCMJ through which convicted abusers retained the ability to purchase firearms.
In January , Klobuchar was one of forty senators to introduce the Background Check Expansion Act, a bill that would require background checks for either the sale or transfer of all firearms including all unlicensed sellers.
Exceptions to the bill's background check requirement included transfers between members of law enforcement, loaning firearms for either hunting or sporting events on a temporary basis, providing firearms as gifts to members of one's immediate family, firearms being transferred as part of an inheritance, or giving a firearm to another person temporarily for immediate self-defense.
