英语文摘：Poland to hold second round of presidential election

Kaczynski co-founded the socially conservative Law and Justice party in 2001, and the party won the 2005 parliamentary elections under his leadership.

Kaczynski was prime minister from July 2006 to November 2007, when he gained a reputation for fighting corruption and bureaucracy.

He is known for his nationalistic stance, putting up a frosty front both to the European Union and to Russia.