Both presidential candidates are preparing for tonight's debate in Philadelphia as polls show the race remains tight. The European Court of Justice has dealt major legal blows to both Apple and Google. The US is facing an ongoing maternity health crisis with 1 in 3 counties lacking needed specialists. A lack a of fuel is hurting aid efforts in Gaza, as a so-called "safe zone" is hit by an Israeli airstrike. Plus, SpaceX's much delayed Polaris Dawn mission takes off.
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CNN 5 Things