What was the most recent example of congress overriding a veto?

Describe how gravity and convection work together to move the plates in the plate tectonics theory

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.

Ayne adair, a california resident, fell from the third tier of seats at wrigley field while she was attending a jimmy buffett concert held there to raise money for the victims of hurricane katrina in september 2005. she experienced paralyzing injuries and has hospital bills of $100,000 and the bills from her stay at the rehabilitation center total $76,000 so far. jayne feels that the railing on the third tier was weak and collapsed when she leaned on it. she wants to bring suit against the chicago cubs, the managers of wrigley field, and jimmy buffett and his manager. the cubs have their business offices in chicago, wrigley field is managed by a chicago company, and jimmy buffett lives in margaritaville, off-shore from the united states. which court would have jurisdiction over jayne's case? that is, where does she need to file her suit?