 Complete the following phrase:  Newly elected president Joan Laportas appointment of Frank Rijkaard as coach and the signing of Ronaldinho in 2003 marked the beginning of another spell of sustained success. In 2005 Barcelona once again won the La Liga championship, and retained it the following season. In May 2006 Barcelona defeated Arsenal in the Champions League final, coming back from 01 to win 21 in the last fifteen minutes. Three years later, the club beat Manchester United 20 in the 