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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The second Republican debate last night saw several candidates try and stray away from frontrunner former president Donald Trump. Jonathan Harris, columnist and political analyst, broke down some of the most memorable moments of the debate.
U.S. Sen. Bob Menendez of New Jersey pleaded not guilty on Wednesday to federal charges accusing him of pocketing bribes of cash and gold bars in exchange for wielding his political influence to secretly advance Egyptian interests and do favors for local businessmen.
Six young adults and children argued that governments across Europe aren’t doing enough to protect people from climate change at the European Court of Human Rights on Wednesday in the latest and largest instance of activists taking governments to court to force climate action.
Seven Republican presidential candidates will take the stage at the party's second primary debate in California. Jonathan Harris, a columnist and political analyst, joined Cheddar News to break down what to expect as 2024 nears.