5 Things to Know This Morning

— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Wisconsin Mom Dying of Cancer Writes Greeting Cards for Toddler’s Future Milestones

Heather McManamy, a cancer patient and mom, is determined to remain in her daughter's memory -- so determined that she's filling out greeting cards for the 4-year-old's future milestones.

“I did them from when she's older or younger -- random encouragement, bad day, wedding, driver license, even first breakup,” McManamy, 35, of McFarland, Wisconsin, told ABC News. "Every one of these that I get to hand out in person will be an accomplishment.”

McManamy was diagnosed with stage 2 breast cancer in April 2013, but it was her terminal diagnosis in August 2014 that had her thinking about her family members’ lives without her, she said.

2. Officer Threatened to 'Light Up' Sandra Bland After Traffic Stop, Dash Cam Video Shows

The officer who pulled over Sandra Bland just days before her death in jail told her that he "will light you up," apparently with a stun gun, one of the dramatic moments caught on newly released dash cam footage.

The footage, released Tuesday, shows a heated confrontation between Bland and the officer who stopped her for a traffic infraction although many portions of the incident occur out of view.

The Texas Department of Public Safety, which conducted the July 10 stop, released the footage just a day after the Waller County Sheriff made public three hours of video from inside the jail where Bland was found dead three days later.

3. President Obama Jokes About Donald Trump in 'Daily Show' Appearance

President Obama joked about Republican presidential candidate Donald Trump's unexpected rise to the top of the crowded field of GOP candidates during a taping of "The Daily Show with Jon Stewart" on Tuesday.

Asked by the late-night comedian if he had any advice "to bequeath to future President Trump," Obama mused that the Republican Party must be appreciating Trump's popularity."I'm sure the Republicans are enjoying Mr. Trump's dominance," the president joked.

"Anything that makes them look less crazy," Stewart quipped in return.

4. Cops Race Against the Clock to Save Kids From Hot, Locked Car in Pennsylvania

Police officers came to the rescue near Philadelphia Monday when two children were locked inside an SUV on a hot, summer day.

Witness Jason Graham, who shot video of the incident, told ABC News he was sitting in his car outside a community college building when he saw officers from the Upper Darby, Pennsylvania, Police about 20 feet away trying to jimmy open the door of an SUV.

On the opposite side of the SUV was a security officer also trying get the car open, Graham said.

5. Amy Schumer Explains the Anne Hathaway Jab in 'Trainwreck'

Amy Schumer took to Twitter Tuesday to explain the "Trainwreck" joke that poked fun at Anne Hathaway.

The comedian tweeted that Judd Apatow, the director behind her hit new movie, was the person who wrote the jab, which mocked Hathaway's excitement over winning an Oscar.

"I love you Anne Hathaway. I have no problem selling out and telling you that that was @JuddApatow s joke he made me say! #truth," she tweeted Thursday.