text:  Amanda Bustillo, NPR News, New York. Whether lapses on the part of President Joe Biden are more common or are, as the White House has been saying, a one-time thing, is becoming more of an issue. And it was front and center today at a White House press briefing. Press Secretary Corinne Jean-Pierre was questioned repeatedly on the topic today. President's handlers, meanwhile, say he'll be making more public appearances in coming days.