Your weekend must reads🗞️

Another school shooting sparks an all-too-familiar sense of dread in parents. This fall's presidential election may still come down to undecided voters, despite our increasing political polarization. And a new NFL season brings a trio of intriguing rule changes to America's most popular sport.

👋 Good morning! John Riley here, bringing you some of USA TODAY's best stories of the week. Let's get right to it.

But first: A new kind of NOPE! : Scientists have identified a new species of tarantula in the U.S. 🕷️

'Sick of holding my breath': Parents face fear of school shootings

A wave of familiar dread set in for parents across the country this week in the wake of the Georgia school shooting. Each time a new tragedy grips the country, parents contend with a renewed sense of foreboding about sending their children into school environments many feel can’t guarantee their safety. How to cope with those feelings – of anxiety, fear and helplessness – is something every parent approaches differently .🙏

• Latest updates: Suspect and father appear in court

Yes, there are still some undecided voters

With two months to Election Day, 8% of likely voters are either undecided or will select a third-party candidate in November. In the August USA TODAY/Suffolk University national poll of likely voters , we asked some of these voters what was holding them back from voting for former President Donald Trump and Vice President Kamala Harris. Here's what these "Torn 20" voters − all of whom live in swing states − had to say .🗳️

• Momentum swing: Poll shows low-income voters flocking to Kamala Harris

Game changers: NFL debuts new kickoff rules, Guardian caps

The NFL is going to look a lot different this season − from the first play of the game. The league's new "dynamic kickoff" more resembles a play from scrimmage than the traditional kick-off. And that won't be the only change this season intended to make the game safer. Some players may be wearing a soft, protective covering over their helmet. And some may incur a 15-yard penalty for a "hip-drop" tackle. Here’s a brief look at each of the game's new wrinkles .🏈

• Week 1 picks: Our writers make their fearless predictions

This is not the end: There are more great stories below.👇 Have a great weekend!

This article originally appeared on USA TODAY: Your weekend must reads🗞️