whose Solidarity trade union helped force the Polish government to adopt sweeping, democratic reforms - announced Thursday that he will run for a seat in the newly created Senate. Also Thursday, Walesa's union filed for registration to be made legal again. In another development, Poland's leader, Gen. Wojciech Jaruzelski, met with Roman Catholic primate Cardinal Jozef Glemp to discuss relations between his communist government and the dominant religion in Poland. "I'm being strongly pressed. And I plan to be a candidate for the highest government body that is going to be in Poland," said Walesa. The electrician, who won the Nobel Peace Prize after founding the East Bloc's first legal independent union, had not ruled out his candidacy before, but he had indicated he would rather concentrate on union issues.