Prime Minister Donald Tusk will have a face to face conversation with the US president Barack Obama - reported Dziennik daily on its website. According to the daily, the meeting could take place on April 5 during the EU summit in Prague. Diplomatic efforts are also being undertaken to enable Poland's president Lech Kaczynski to meet his American opposite number as well. One of the aims of the meeting would be discussion on the future of the US project of placing elements of the anti-missile shield in this country.