As Donald J. Trump’s Manhattan criminal trial enters a third and crucial week‚ new witnesses will shed light on a hush-money deal struck in the final days of his 2016 presidential campaign. The judge will also weigh a request to hold the former president in contempt. Mr. Trump‚ the first former president to face criminal prosecution‚ is accused of falsifying records to cover up the hush-money payment‚ which was made to a porn star‚ Stormy Daniels. The $130‚000 payment — made by Mr. Trump’s...