Opposition leader joins rally calling for Venezuela election results to be overturned

CARACAS, Venezuela — Thousands of people rallied in the streets of Venezuela's capital Saturday, waving the national flag and singing the national anthem in support of an opposition candidate they believe won the presidential election by a landslide. Authorities have declared President Nicolás Maduro the winner of last Sunday's election but have yet to produce voting tallies to prove he won. Maduro also urged his backers to attend his own "mother of all marches" later Saturday in Caracas. The...