These are the headlines you Need2Know:
* **Federal Judge Bans 3D-Printed Guns:**
A federal judge in Seattle temporarily blocked the release of downloadable blueprints for 3D-printed guns Monday. Eight states and the District of Columbia are leading the legal charge to stop Defense Distributed from making instructions available online. Officials report that 1,000 people have already downloaded blueprints for AR-15 rifles. For more on this story, [click here](http://www.time.com/5353741/3d-printed-gun-lawsuit/).
* **Trump Receives Warm Greeting in Tampa:**
At a campaign-style rally in Tampa, President Trump discussed his "America First" foreign and domestic policy Tuesday and defended his immigration strategy. Trump also presented his latest plan to enact new voter-ID laws. Check out the reaction to Trump's comments on Twitter, or read [this](https://www.huffingtonpost.com/entry/donald-trump-picture-id-groceries_us_5b60ea4ee4b0fd5c73d422fa).
* **Facebook Deletes 32 Accounts Linked to Midterm Tampering:**
The social media giant announced on Tuesday it purged 32 bogus accounts that were reportedly trying to sabotage midterm elections. The company said it notified government officials once the accounts were discovered. For more on the story, read [this](https://www.bloomberg.com/news/articles/2018-07-31/facebook-finds-ongoing-evidence-of-election-interference).
* **Paul Manafort Back in Court:**
The trial of Trump's former campaign chairman continues Wednesday. The key witness for the prosecution will be Rick Gates, Manafort's former right-hand man. For more on the latest, [click here](https://www.npr.org/2018/08/01/634439965/on-manafort-trial-day-two-a-central-question-how-much-power-did-rick-gates-wield).
Cheddar's Jill Wagner gets into the latest.
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Parallel Systems has been selected to receive $4.5 million from the Department of Energy for an advanced testing program of its autonomous, battery-electric rail vehicles. The startup, which has raised more than $53 million to date, was founded by former SpaceX engineers to reimagine the rail system by creating a more efficient, decarbonized freight network. Matt Soule, Co-founder & CEO of Parallel Systems, joined Cheddar's Opening Bell to discuss what the company hopes to achieve.
A bipartisan bill introduced by U.S. Senators Amy Klobuchar (D-MN) and Cynthia Lummis (R-WY) aims to tackle the spread of misinformation on social media platforms, as well as the addictive nature of the sites and negative mental health impacts they have on users. The 'Nudge Act' would require studies to find and compile potential interventions that platforms could use to encourage people to think before they share a post, or log off after spending too much time on an app. The FTC would create rules based on these findings, and hold the platforms accountable. But will it work? Jesse Lehrich, co-founder of Accountable Tech, joins Closing Bell to discuss the bill, whether real results and regulations could come from it, and more.
A.I.-based entertainment company, Deedub, recently raised
$20 million in a Series A round, led by Insight Partners. Deepdub uses A.I. technology to automate the dubbing process for foreign-language movies or TV shows, while using actors' original voices. The company says it can take just two to three minutes of data from an actor's voice and transform the voice into a different language. The funding comes as foreign-language films and shows like Netflix's 'Squid Game' have recently become more popular with audiences in the U.S. and around the world. Oz Krakowski, Chief Revenue Officer at Deepdub, joins Cheddar News' Closing Bell to discuss.