These are the headlines you Need2Know:
* **Toronto Shooter Had Tumultuous Mental History:**
The parents of slain shooter Faisal Hussain went public on his history of mental illness, but officials have not yet identified his motives. The 29-year-old shot and killed two and wounded at least a dozen on Sunday. Read the details [here](https://www.cnn.com/2018/07/24/americas/toronto-shooting-investigation/index.html).
* **Umbrellas Up, Northeasterners!:**
A flash-flood warning is in effect after heavy rainfall has flooded several Pennsylvanian towns. In Scranton, certain parts of Hershey park are submerged in water. See the map [here](https://twitter.com/NWS/status/1021536276095426560).
* **Twitter War Forges Ahead:**
Following President Trump’s all-caps [Twitter](https://twitter.com/realDonaldTrump/status/1021234525626609666) threat to Iranian President Hassan Rouhani, the Iranian Foreign Minister Mohammad Javad Zarif fired back on Monday, warning the U.S. to, “BE CAUTIOUS!” Read the full subtweet from Zarif [here](https://twitter.com/JZarif/status/1021471196242735104).
* **North Korea Tunes it Down:**
Just over a month after Trump met with North Korean leader Kim Jong-un in Singapore to discuss denuclearization, the country is dismantling several ballistic missile launch sites. Stay with the story [here](https://www.theguardian.com/world/2018/jul/24/north-korea-satellite-images-show-dismantling-of-missile-test-facilities-report).
Cheddar's Hena Doba with the latest.
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President Donald Trump’s doubling of tariffs on foreign steel and aluminum could hit Americans in an unexpected place: grocery aisles.
The Court of Appeals for the Federal Circuit on Thursday allowed the president to temporarily continue collecting the tariffs under the emergency powers law while he appeals the trade court’s decision.
President Donald Trump wants the world to know he’s no “chicken” just because he’s repeatedly backed off high tariff threats.
Wall Street is rallying after President Donald Trump delayed a 50% tariff on goods coming from the European Union.
Almost four dozen Venezuelan workers who had temporary protected status have been put on leave by Disney after the U.S. Supreme Court allowed the Trump administration to strip them of legal protections.
U.S. stocks are falling after President Donald Trump threatened 50% tariffs on the European Union that could begin in a little more than a week.
House Republicans stayed up all night to pass their multitrillion-dollar tax breaks package.
President Donald Trump has implored House Republicans on Capitol Hill to drop their fights over his budget.
American businesses that rely on Chinese goods are reacting with muted relief after the U.S. and China agreed to pause their exorbitant tariffs on each other’s products for 90 days. Many companies delayed or canceled orders after President Donald Trump last month put a 145% tariff on items made in China. Importers still face relatively high tariffs, however, as well as uncertainty over what will happen in the coming weeks and months. The temporary truce was announced as retailers and their suppliers are looking to finalize their plans and orders for the holiday shopping season. They’re concerned a mad scramble to get goods onto ships will lead to bottlenecks and increased shipping costs.
Senate Democrats have blocked legislation to regulate a form of cryptocurrency after arguing that the bill needed stronger protections.
