12 PM ET: RNC Day 2 speakers, Biden hitting the trail, rare whale & more

The second day of the Republican National Convention gets underway in Milwaukee. Videos show crowd members in Pennsylvania noticed the gunman on the roof minutes before he targeted former President Donald Trump. President Joe Biden gets back on the campaign trail in Nevada. California bans rules requiring schools to notify parents if their child asks to change their gender identification. And, has the ‘world’s rarest whale’ washed up on a beach?

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