Complex sentence: McKinley was waiting with family and friends at his house in Canton, being kept up to date by telegraph and telephone, and was able to listen to part of Foraker's speech, and the tremendous reception that met it, over the phone line.
Split into simpler sentences: McKinley was waiting with family and friends at his house in Canton, being kept up to date by telegraph and telephone. He was able to listen to part of Foraker's speech, and the tremendous reception that met it, over the phone line.