Presidential hopeful Sen. Bernie Sanders (I., Vt.) said during a Monday exchange with an undecided Iowa voter that a mandatory gun-buyback program is unconstitutional. 
Iowa Democratic Senate candidate Theresa Greenfield is being criticized by her Democratic opponents for continuing to accept tens of thousands of dollars from corporate lobbyists in the nation's capital.
Julián Castro's Democratic presidential campaign met a self-imposed fundraising goal, but still faces an uncertain future as staffers look to flee. 
Kamala "5-0" Harris is up to her old tricks. The former attorney general of California, who ruled with an iron fist over the parents of truant schoolchildren, has reportedly been roaming the streets of Iowa and accosting children whom she suspects of playing hooky. 
Sen. Elizabeth Warren (D., Mass.) has surged in the polls by telling Iowa voters she has a plan for everything. Meanwhile, the Democrat running to unseat Sen. Joni Ernst in the state has yet to outline a single policy position. 
Presidential hopeful Sen. Cory Booker (D., N.J.) pleaded with viewers to help him stay in the presidential race during an appearance on MSNBC's Morning Joe. 
Several Democratic presidential candidates will be attending an annual steak fry event, despite lecturing Americans about the need to eat less meat because of climate change. 
Former vice president and Democratic presidential hopeful Joe Biden clashed with a moderator at the LGBTQ presidential forum in Iowa Friday night. 
Sen. Joni Ernst (R., Iowa) wants to ban federal agencies from frivolous end-of-year spending that costs taxpayers an estimated $100 billion each year. 
A new survey of Iowa voters published Wednesday shows considerable movement among the Democratic primary candidates. Former vice president Joe Biden continues to lead the field at 25 percent, according to the poll conducted by Focus on Rural America. 