By Nandita Bose WASHINGTON (Reuters) – U.S. President Joe Biden and Vice President Kamala Harris will spotlight Republican curbs on abortion rights this week, a galvanizing issue for Democrats that they hope will boost enthusiasm among their base, attract independent voters, and increase turnout in November. On Monday, the 51st anniversary of the now-overturned Roe v. Wade Supreme Court ruling, Biden will convene a reproductive rights taskforce meeting at the White House and Harris will kick off a national tour on abortion rights in Wisconsin, a state crucial to Biden’s re-election prospects t…