Lululemon files a lawsuit against Costco, alleging that the big-box retailer is offering imitations of the athleisure brand’s clothing at a far lower cost. Also, hot dog eating “GOAT” Joey Chestnut joins to discuss his return to Nathan’s Hot Dog Eating Contest ahead of the big Fourth of July showdown. Plus, Today contributor Jill Martin shares some great finds to upgrade your home and keep you cool during these hot summer nights.