WASHINGTON - US President Donald Trump welcomed Turkish President Tayyip Erdogan to the White House on Tuesday and told reporters the two would have "long and hard discussions" that would make their bilateral relationship better."It's a great honor to have President Erdogan from Turkey here," Trump said before the start of their meetings. "We're going to have long and hard discussions. I know that they will be very successful. We've had a great relationship and we will make it even better. So we're going to have a very, very strong and solid discussion."